/* ===== CSS Variables ===== */
:root {
    /* Brand Colors */
    --primary-color: #FF3333;
    --primary-dark: #CC0000;
    --primary-light: #FF6666;
    --secondary-color: #2C3E50;
    --accent-color: #FFD700;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #E9ECEF;
    --dark-gray: #6C757D;
    --black: #212529;
    
    /* Text Colors */
    --text-primary: #2C3E50;
    --text-secondary: #6C757D;
    --text-light: #ADB5BD;
    
    /* Typography */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-secondary: 'GmarketSans', 'Noto Sans KR', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container Width */
    --container-width: 1200px;
    --header-height: 80px;
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
    word-break: keep-all;  /* 한글 단어 단위로 줄바꿈 */
    word-wrap: break-word; /* 긴 단어는 적절히 줄바꿈 */
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===== Global Text Handling - 단어 줄바꿈 방지 ===== */
h1, h2, h3, h4, h5, h6,
p, span, a, li, button,
.btn, .card, .badge, .tag {
    word-break: keep-all;
    word-wrap: break-word;
}

/* ===== Utility Classes ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-secondary);
    word-break: keep-all;
    line-height: 1.4;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Header / Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scroll-header {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

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

.logo-img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.938rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(255, 51, 51, 0.1);
}

.nav-toggle,
.nav-close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* ===== Hero Section ===== */
.hero {
    padding-top: calc(var(--header-height) + var(--spacing-xl));
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Video Background */
.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 245, 245, 0.5) 0%,
        rgba(255, 255, 255, 0.6) 100%
    );
    backdrop-filter: blur(1px);
}

.hero-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-content {
    animation: fadeInUp 1s ease;
    width: 100%;
}

.hero-subtitle {
    display: inline-block;
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--white);
    background-color: rgba(255, 51, 51, 0.85);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-secondary);
    word-break: keep-all;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4),
                 0 4px 16px rgba(0, 0, 0, 0.3),
                 0 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-title .highlight {
    color: var(--white);
    font-weight: 800;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--white);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    word-break: keep-all;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4),
                 0 4px 12px rgba(0, 0, 0, 0.3),
                 0 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease;
}

.hero-logo {
    max-width: 100%;
    filter: drop-shadow(0 10px 30px rgba(255, 51, 51, 0.3));
    animation: float 3s ease-in-out infinite;
}

.scroll-down {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 2;
}

.scroll-link {
    font-size: 2rem;
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.9);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(255, 51, 51, 0.2);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== Philosophy Section ===== */
.philosophy {
    background-color: var(--light-gray);
}

.quote-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: var(--spacing-md);
}

.quote-text {
    font-size: 1.75rem;
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.quote-author {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.quote-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.about-subtitle {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--light-gray);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.feature-item:hover {
    background-color: var(--medium-gray);
    transform: translateX(8px);
}

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

.feature-text h4 {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    font-size: 0.938rem;
    color: var(--text-secondary);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ===== Target Section ===== */
.target {
    background-color: var(--light-gray);
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.target-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.target-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.target-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.target-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.target-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.target-users {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.users-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.user-type {
    text-align: center;
}

.user-emoji {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

.user-type h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.user-type p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Benefits Section ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl) auto;
    padding: var(--spacing-md) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--medium-gray) 0%, var(--primary-color) 50%, var(--medium-gray) 100%);
    border-radius: var(--radius-full);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    opacity: 0.6;
    transition: var(--transition-normal);
}

.timeline-item.active {
    opacity: 1;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: var(--white);
    border: 4px solid var(--medium-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-secondary);
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.timeline-item.active .timeline-icon {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    transform: scale(1.2);
}

.timeline-content {
    flex: 1;
    background-color: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.timeline-item.active .timeline-content {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.benefit-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md) auto;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.benefit-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Lifestyle Section ===== */
.lifestyle {
    background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 100%);
}

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

.lifestyle-text {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.lifestyle-intro,
.lifestyle-question,
.lifestyle-answer {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.lifestyle-intro {
    color: var(--text-secondary);
}

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

.lifestyle-answer {
    color: var(--primary-color);
    font-weight: 600;
}

.lifestyle-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.lifestyle-feature {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.lifestyle-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.lifestyle-feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.lifestyle-feature h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.lifestyle-feature p {
    font-size: 1rem;
    color: var(--text-secondary);
}

.lifestyle-cta {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-text {
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

/* ===== Info Section ===== */
.info {
    background-color: var(--light-gray);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.info-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 51, 51, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.info-icon i {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.info-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Social Media Section ===== */
.social {
    background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.social::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 51, 51, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.social-container {
    position: relative;
    z-index: 1;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.social-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.social-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 51, 51, 0.03) 100%);
    opacity: 0;
    transition: var(--transition-normal);
}

.social-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.social-card:hover::before {
    opacity: 1;
}

.social-card:hover .social-arrow {
    transform: translateX(8px);
    opacity: 1;
}

.social-icon {
    width: 70px;
    height: 70px;
    min-width: 70px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: var(--transition-normal);
    position: relative;
    z-index: 1;
}

/* 네이버 카페 스타일 */
.social-card.naver-cafe .social-icon {
    background: linear-gradient(135deg, #03C75A 0%, #00B050 100%);
    color: var(--white);
}

.social-card.naver-cafe:hover .social-icon {
    background: linear-gradient(135deg, #00B050 0%, #009644 100%);
    transform: rotate(5deg) scale(1.1);
}

.social-card.naver-cafe .social-badge {
    background-color: rgba(3, 199, 90, 0.1);
    color: #03C75A;
}

/* 네이버 블로그 스타일 */
.social-card.naver-blog .social-icon {
    background: linear-gradient(135deg, #1EC800 0%, #17A600 100%);
    color: var(--white);
}

.social-card.naver-blog:hover .social-icon {
    background: linear-gradient(135deg, #17A600 0%, #128500 100%);
    transform: rotate(-5deg) scale(1.1);
}

.social-card.naver-blog .social-badge {
    background-color: rgba(30, 200, 0, 0.1);
    color: #1EC800;
}

/* 페이스북 스타일 */
.social-card.facebook .social-icon {
    background: linear-gradient(135deg, #1877F2 0%, #0C63D4 100%);
    color: var(--white);
}

.social-card.facebook:hover .social-icon {
    background: linear-gradient(135deg, #0C63D4 0%, #0952B8 100%);
    transform: rotate(5deg) scale(1.1);
}

.social-card.facebook .social-badge {
    background-color: rgba(24, 119, 242, 0.1);
    color: #1877F2;
}

.social-content {
    flex: 1;
}

.social-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    word-break: keep-all;
}

.social-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
    word-break: keep-all;
}

.social-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.625rem;
    word-break: keep-all;
}

.social-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.social-badge i {
    font-size: 0.75rem;
}

.social-arrow {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background-color: rgba(255, 51, 51, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    opacity: 0.6;
    transition: all var(--transition-normal);
}

.social-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.cta-text {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 1.25rem 2rem;
    background-color: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.cta-text i {
    color: var(--primary-color);
    font-size: 1.25rem;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20%, 40% {
        transform: scale(1);
    }
}

.cities-showcase {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.cities-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.city-card {
    text-align: center;
    padding: var(--spacing-lg);
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.city-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.city-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

.city-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.city-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Contact Section ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.contact-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--light-gray);
    border-radius: var(--radius-md);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 0.938rem;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 48px;
    height: 48px;
    background-color: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-4px);
}

.contact-form-wrapper {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--white);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 51, 51, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer-description {
    font-size: 1rem;
    line-height: 1.8;
    opacity: 0.9;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.938rem;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.938rem;
    opacity: 0.9;
}

.footer-social {
    color: var(--white);
}

.footer-social h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--white);
    transition: all var(--transition-normal);
}

.social-icons a:hover {
    background-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(255, 51, 51, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
}

.footer-credits {
    font-size: 0.875rem;
    opacity: 0.6;
}

.footer-credits i {
    color: var(--primary-light);
}

/* ===== Scroll To Top Button ===== */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

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

.scroll-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-4px);
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===== Responsive Design ===== */
/* Tablet (768px ~ 968px) */
@media screen and (max-width: 968px) {
    :root {
        --header-height: 70px;
        --spacing-md: 1.5rem;
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
    }
    
    .section-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.3;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .hero-buttons {
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }
    
    .timeline-item:nth-child(even) {
        flex-direction: row !important;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
        gap: var(--spacing-lg);
    }
    
    .footer-logo {
        margin: 0 0 var(--spacing-md) 0;
    }
}

/* Mobile (Up to 768px) */
@media screen and (max-width: 768px) {
    :root {
        --header-height: 65px;
        --spacing-sm: 0.875rem;
        --spacing-md: 1.25rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
    }
    
    .container {
        padding: 0 1.25rem;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 360px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 5rem 2rem 2rem;
        transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        z-index: 1001;
        overflow-y: auto;
    }
    
    .nav-menu.show-menu {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .nav-link {
        display: block;
        padding: 1rem 1.25rem;
        border-radius: var(--radius-sm);
        font-size: 1.05rem;
        font-weight: 500;
        transition: all 0.3s ease;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background-color: rgba(255, 51, 51, 0.1);
        color: var(--primary-color);
        transform: translateX(8px);
    }
    
    .nav-close {
        display: block;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        font-size: 1.75rem;
        color: var(--text-primary);
        cursor: pointer;
        transition: var(--transition-fast);
    }
    
    .nav-close:hover {
        color: var(--primary-color);
        transform: rotate(90deg);
    }
    
    .nav-toggle {
        display: block;
        font-size: 1.5rem;
        padding: 0.5rem;
        transition: var(--transition-fast);
    }
    
    .nav-toggle:hover {
        color: var(--primary-color);
    }
    
    /* Hero Section */
    .hero {
        padding-top: calc(var(--header-height) + 2rem);
    }
    
    .hero-video-overlay {
        background: linear-gradient(
            135deg,
            rgba(255, 245, 245, 0.6) 0%,
            rgba(255, 255, 255, 0.7) 100%
        );
    }
    
    .hero-container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 1.85rem;
        line-height: 1.35;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 0.8rem;
        margin-bottom: 0.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
        line-height: 1.65;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.875rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Sections */
    .section {
        padding: 2.5rem 0;
    }
    
    .section-title {
        font-size: 1.75rem;
        line-height: 1.35;
        margin-bottom: 0.75rem;
    }
    
    .section-subtitle {
        font-size: 0.75rem;
        letter-spacing: 1.5px;
    }
    
    .section-description {
        font-size: 0.95rem;
        line-height: 1.7;
    }
    
    /* Quote */
    .quote-text {
        font-size: 1.15rem;
        line-height: 1.7;
        padding: 2rem 1.5rem;
    }
    
    .quote-author {
        font-size: 0.95rem;
        margin-top: 1rem;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .stat-item h3 {
        font-size: 2rem;
    }
    
    .stat-item p {
        font-size: 0.9rem;
    }
    
    /* Grids */
    .target-grid,
    .benefits-grid,
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .social-links {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .cities-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Cards */
    .target-card,
    .benefit-card,
    .info-card {
        padding: 1.75rem 1.5rem;
    }
    
    .target-card h3,
    .benefit-card h3,
    .info-card h3 {
        font-size: 1.15rem;
        margin-bottom: 0.75rem;
    }
    
    .target-card p,
    .benefit-card p,
    .info-card p {
        font-size: 0.95rem;
        line-height: 1.65;
    }
    
    /* Social Cards */
    .social-card {
        flex-direction: row;
        padding: 1.5rem 1.25rem;
        gap: 1rem;
    }
    
    .social-icon {
        width: 60px;
        height: 60px;
        min-width: 60px;
        font-size: 1.75rem;
    }
    
    .social-content h3 {
        font-size: 1.05rem;
    }
    
    .social-title {
        font-size: 0.95rem;
    }
    
    .social-description {
        font-size: 0.85rem;
    }
    
    .social-arrow {
        width: 36px;
        height: 36px;
        min-width: 36px;
        font-size: 1.1rem;
    }
    
    .cta-text {
        font-size: 1rem;
        padding: 1rem 1.5rem;
        gap: 0.5rem;
    }
    
    .cta-text i {
        font-size: 1.1rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
        min-height: 48px; /* 터치 친화적 크기 */
    }
    
    /* Forms */
    .form-group input,
    .form-group textarea {
        padding: 0.875rem 1rem;
        font-size: 1rem;
        min-height: 48px;
    }
    
    .form-group textarea {
        min-height: 120px;
    }
    
    /* Contact Info */
    .contact-info-item {
        padding: 1.25rem;
    }
    
    .contact-info-item i {
        font-size: 1.5rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-logo {
        margin: 0 auto 1rem;
    }
    
    .footer-links {
        margin-bottom: 1.5rem;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .social-icons a {
        width: 42px;
        height: 42px;
        font-size: 1.15rem;
    }
}

/* Small Mobile (Up to 480px) */
@media screen and (max-width: 480px) {
    :root {
        --header-height: 60px;
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    /* Header */
    .logo-img {
        height: 38px;
    }
    
    .nav-toggle {
        font-size: 1.35rem;
        padding: 0.4rem;
    }
    
    .nav-menu {
        width: 90%;
        padding: 4.5rem 1.5rem 1.5rem;
    }
    
    .nav-link {
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }
    
    /* Hero */
    .hero-title {
        font-size: 1.65rem;
        line-height: 1.35;
    }
    
    .hero-subtitle {
        font-size: 0.75rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
        line-height: 1.65;
    }
    
    .hero-buttons .btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .scroll-link {
        width: 45px;
        height: 45px;
        font-size: 1.75rem;
    }
    
    /* Sections */
    .section {
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 1.5rem;
        line-height: 1.4;
    }
    
    .section-subtitle {
        font-size: 0.7rem;
        letter-spacing: 1.2px;
    }
    
    .section-description {
        font-size: 0.9rem;
    }
    
    /* Quote */
    .quote-text {
        font-size: 1.05rem;
        padding: 1.5rem 1.25rem;
    }
    
    .quote-author {
        font-size: 0.85rem;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.875rem;
    }
    
    .stat-item {
        padding: 1.25rem 0.875rem;
    }
    
    .stat-item h3 {
        font-size: 1.75rem;
    }
    
    .stat-item p {
        font-size: 0.85rem;
    }
    
    /* Grids */
    .target-grid,
    .benefits-grid,
    .info-grid {
        gap: 1rem;
    }
    
    .social-links {
        gap: 0.875rem;
    }
    
    /* Cards */
    .target-card,
    .benefit-card,
    .info-card {
        padding: 1.5rem 1.25rem;
    }
    
    .target-icon i,
    .benefit-icon i,
    .info-icon i {
        font-size: 1.5rem;
    }
    
    .target-icon,
    .benefit-icon,
    .info-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 0.875rem;
    }
    
    .target-card h3,
    .benefit-card h3,
    .info-card h3 {
        font-size: 1.05rem;
    }
    
    .target-card p,
    .benefit-card p,
    .info-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    /* Social Cards - Small Mobile */
    .social-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem 1.25rem;
        gap: 1rem;
    }
    
    .social-icon {
        width: 55px;
        height: 55px;
        min-width: 55px;
        font-size: 1.5rem;
        margin: 0 auto;
    }
    
    .social-content h3 {
        font-size: 1rem;
    }
    
    .social-title {
        font-size: 0.9rem;
    }
    
    .social-description {
        font-size: 0.8rem;
    }
    
    .social-badge {
        display: inline-flex;
        padding: 0.35rem 0.625rem;
        font-size: 0.75rem;
    }
    
    .social-arrow {
        display: none; /* 작은 화면에서는 숨김 */
    }
    
    .cta-text {
        flex-direction: column;
        font-size: 0.95rem;
        padding: 1rem 1.25rem;
        gap: 0.5rem;
    }
    
    .cta-text i {
        font-size: 1rem;
    }
    
    /* Footer Social Icons */
    .social-icons {
        gap: 0.625rem;
    }
    
    .social-icons a {
        width: 40px;
        height: 40px;
        font-size: 1.05rem;
    }
    
    /* Timeline */
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        width: 12px;
        height: 12px;
        left: 14px;
    }
    
    .timeline-content {
        padding: 1.25rem;
    }
    
    .timeline-title {
        font-size: 1.05rem;
    }
    
    .timeline-text {
        font-size: 0.9rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.8rem 1.25rem;
        font-size: 0.9rem;
        min-height: 46px;
    }
    
    .btn i {
        font-size: 0.95rem;
    }
    
    /* Forms */
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.8rem 0.875rem;
        font-size: 0.95rem;
    }
    
    /* Contact */
    .contact-info-item {
        padding: 1rem;
    }
    
    /* Scroll to top */
    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 1.5rem;
        right: 1.5rem;
        font-size: 1.1rem;
    }
    
    /* Footer */
    .footer {
        padding: 2rem 0 1.5rem;
    }
    
    .footer-content {
        gap: 1.5rem;
    }
    
    .footer-section h4 {
        font-size: 1.05rem;
        margin-bottom: 0.875rem;
    }
    
    .footer-links li a,
    .footer-contact li {
        font-size: 0.9rem;
    }
}