/* ===================================
   두플러스 DoPLUS - 코랄 & 딥 블루 색상 팔레트
   "신뢰의 온기" - 중장년층을 위한 따뜻하고 신뢰있는 디자인
   =================================== */

/* CSS Variables - 색상 시스템 */
:root {
    /* Primary Colors - 소프트 코랄 */
    --primary-coral: #E8927C;
    --primary-coral-light: #F2A490;
    --primary-coral-dark: #D67B65;
    --primary-coral-alpha: rgba(232, 146, 124, 0.1);
    
    /* Secondary Colors - 딥 블루 */
    --secondary-blue: #2E5266;
    --secondary-blue-light: #3D6A7E;
    --secondary-blue-dark: #1F3A4A;
    --secondary-blue-alpha: rgba(46, 82, 102, 0.1);
    
    /* Accent Colors - 허니 옐로우 */
    --accent-honey: #F5C26B;
    --accent-honey-light: #F8D18E;
    --accent-honey-dark: #E5AF4A;
    
    /* Neutral Colors */
    --bg-primary: #F9F7F4;
    --bg-secondary: #FFFFFF;
    --bg-dark: #2E5266;
    
    /* Text Colors */
    --text-primary: #2E5266;
    --text-secondary: #5A7A8C;
    --text-light: #8BA5B3;
    --text-white: #FFFFFF;
    
    /* Border & Shadow */
    --border-color: #E5E1DC;
    --shadow-sm: 0 2px 8px rgba(46, 82, 102, 0.08);
    --shadow-md: 0 4px 16px rgba(46, 82, 102, 0.12);
    --shadow-lg: 0 8px 32px rgba(46, 82, 102, 0.16);
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 100px 0;
    --section-padding-mobile: 60px 0;
    
    /* Typography */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --line-height: 1.7;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

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

ul {
    list-style: none;
}

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

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

/* ===================================
   Container & Layout
   =================================== */

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

.section {
    padding: var(--section-padding);
}

/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: all var(--transition-normal);
    padding: 20px 0;
}

.navbar.scrolled {
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 24px;
    color: var(--text-primary);
}

.navbar.scrolled .nav-brand {
    color: var(--text-primary);
}

.brand-logo {
    color: var(--primary-coral);
    font-weight: 900;
}

.brand-name {
    color: var(--secondary-blue);
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 16px;
    color: var(--text-primary);
    transition: color var(--transition-normal);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-coral);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-coral);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary-coral), var(--primary-coral-light));
    color: var(--text-white) !important;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--primary-coral-dark), var(--primary-coral));
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-coral) 100%);
    opacity: 0.95;
    z-index: -2;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,0.03) 35px, rgba(255,255,255,0.03) 70px);
    z-index: -1;
}

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

.hero-content {
    text-align: center;
    color: var(--text-white);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    display: block;
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--accent-honey-light);
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 30px;
}

.hero-description {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 50px;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 50px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--accent-honey);
    margin-bottom: 10px;
}

.stat-number::after {
    content: '+';
    margin-left: 4px;
}

.stat-label {
    font-size: 16px;
    font-weight: 500;
    opacity: 0.9;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-normal);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--accent-honey);
    color: var(--secondary-blue);
}

.btn-primary:hover {
    background: var(--accent-honey-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--secondary-blue);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-white);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 14px;
    font-weight: 500;
}

/* ===================================
   Section Headers
   =================================== */

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

.section-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-coral);
    margin-bottom: 15px;
}

.section-label.light {
    color: var(--accent-honey);
}

.section-title {
    font-size: 42px;
    font-weight: 900;
    color: var(--secondary-blue);
    margin-bottom: 20px;
}

.section-title.light {
    color: var(--text-white);
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.section-description.light {
    color: rgba(255, 255, 255, 0.9);
}

/* ===================================
   Mission Section
   =================================== */

.mission-section {
    background-color: var(--bg-secondary);
}

.mission-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.mission-card {
    text-align: center;
    padding: 50px 30px;
    background: var(--bg-primary);
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    cursor: default;
}

.mission-card:hover {
    border-color: var(--primary-coral);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.mission-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, var(--primary-coral-alpha), var(--secondary-blue-alpha));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--primary-coral);
}

.mission-card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

.mission-card-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================
   Activities Section
   =================================== */

.activities-section {
    background-color: var(--bg-primary);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.activity-card {
    background: var(--bg-secondary);
    padding: 40px 30px;
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

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

.activity-card:hover {
    border-color: var(--primary-coral);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.activity-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-coral), var(--primary-coral-light));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-white);
    margin-bottom: 25px;
}

.activity-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

.activity-description {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.activity-features li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-features li:last-child {
    border-bottom: none;
}

.activity-features li::before {
    content: '✓';
    color: var(--primary-coral);
    font-weight: 700;
    margin-right: 10px;
}

/* Partners Wrapper within Activities */
.partners-wrapper {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 2px solid var(--border-color);
    text-align: center;
}

.partners-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

.partners-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

.partner-item {
    background: var(--bg-secondary);
    padding: 30px 20px;
    border-radius: 15px;
    border: 2px solid transparent;
    text-align: center;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: scale(0.95);
}

.partner-item.fade-in {
    opacity: 1;
    transform: scale(1);
}

.partner-item:hover {
    border-color: var(--primary-coral);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.partner-item i {
    font-size: 40px;
    color: var(--primary-coral);
    margin-bottom: 12px;
}

.partner-item p {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary-blue);
}

/* ===================================
   Education Section
   =================================== */

.education-section {
    background-color: var(--bg-secondary);
}

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

.education-card {
    background: var(--bg-primary);
    padding: 40px 30px;
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

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

.education-card:hover {
    border-color: var(--primary-coral);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.education-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-coral), var(--primary-coral-light));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-white);
    margin-bottom: 25px;
}

.education-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

.education-description {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.7;
}

.education-list {
    list-style: none;
    padding: 0;
}

.education-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.education-list li:last-child {
    border-bottom: none;
}

.education-list i {
    color: var(--primary-coral);
    font-size: 12px;
}

/* ===================================
   Certification Section
   =================================== */

.certification-section {
    background: linear-gradient(135deg, var(--secondary-blue), var(--secondary-blue-dark));
}

.certification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.cert-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    text-align: center;
    opacity: 0;
    transform: scale(0.95);
}

.cert-card.fade-in {
    opacity: 1;
    transform: scale(1);
}

.cert-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-honey);
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.cert-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.cert-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 15px;
}

.cert-description {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* ===================================
   Journey Timeline Section
   =================================== */

.journey-section {
    background-color: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-coral), var(--accent-honey));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
}

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

.timeline-item.left .timeline-content {
    margin-right: 55%;
    text-align: right;
}

.timeline-item.right .timeline-content {
    margin-left: 55%;
    text-align: left;
}

.timeline-content {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-content {
    border-color: var(--primary-coral);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.timeline-dot {
    position: absolute;
    top: 0;
    left: 50%;
    width: 20px;
    height: 20px;
    background: var(--accent-honey);
    border: 4px solid var(--bg-primary);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px var(--primary-coral-alpha);
}

.timeline-year {
    display: inline-block;
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-coral);
    margin-bottom: 10px;
}

.timeline-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

.timeline-list {
    list-style: none;
    padding: 0;
}

.timeline-list li {
    font-size: 15px;
    color: var(--text-secondary);
    padding: 8px 0;
    line-height: 1.6;
}

.timeline-list li::before {
    content: '▸';
    color: var(--primary-coral);
    margin-right: 10px;
    font-weight: 700;
}

/* ===================================
   Team Section - Enhanced
   =================================== */

.team-section {
    background-color: var(--bg-secondary);
}

.subsection-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 40px;
    text-align: center;
}

/* Leadership Section */
.leadership-section {
    margin-bottom: 80px;
}

/* Leader Spotlight (CEO) */
.leader-spotlight {
    margin-bottom: 60px;
}

.leader-card {
    display: flex;
    gap: 40px;
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

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

.leader-card:hover {
    border-color: var(--primary-coral);
    box-shadow: var(--shadow-lg);
}

.leader-card.featured {
    background: linear-gradient(135deg, rgba(232, 146, 124, 0.05), rgba(46, 82, 102, 0.05));
    border: 2px solid var(--primary-coral);
}

/* Leader Avatar */
.leader-left {
    flex-shrink: 0;
}

.leader-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-coral-alpha), var(--secondary-blue-alpha));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--primary-coral);
    border: 4px solid var(--bg-secondary);
    box-shadow: var(--shadow-md);
}

.leader-avatar.large {
    width: 160px;
    height: 160px;
    font-size: 80px;
}

.leader-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

/* Leader Content */
.leader-right {
    flex: 1;
}

.leader-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 8px;
}

.leader-name {
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin: 0;
}

.leader-card.featured .leader-name {
    font-size: 32px;
}

.leader-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-coral);
    color: var(--text-white);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
}

.leader-badge.secondary {
    background: var(--secondary-blue);
}

.leader-position {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.leader-quote {
    font-size: 16px;
    font-style: italic;
    color: var(--text-secondary);
    padding: 20px;
    background: rgba(245, 194, 107, 0.1);
    border-left: 4px solid var(--accent-honey);
    border-radius: 8px;
    margin-bottom: 25px;
}

.leader-responsibilities {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.leader-responsibilities li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-secondary);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.leader-responsibilities li:last-child {
    border-bottom: none;
}

.leader-responsibilities.compact li {
    padding: 6px 0;
    font-size: 14px;
}

.leader-responsibilities i {
    color: var(--primary-coral);
    font-size: 16px;
}

.leader-contact {
    display: flex;
    gap: 15px;
}

.contact-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-coral);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-normal);
}

.contact-link:hover {
    background: var(--primary-coral-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Leaders Grid */
.leaders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.leaders-grid .leader-card {
    padding: 30px;
}

.leaders-grid .leader-name {
    font-size: 22px;
}

.leaders-grid .leader-avatar {
    width: 100px;
    height: 100px;
    font-size: 50px;
}

/* Advisory Section Enhanced */
.advisory-section.enhanced {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 2px solid var(--border-color);
}

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

.advisory-card {
    background: var(--bg-primary);
    padding: 40px 30px;
    border-radius: 20px;
    border: 2px solid transparent;
    text-align: center;
    transition: all var(--transition-normal);
}

.advisory-card:hover {
    border-color: var(--primary-coral);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.advisory-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-coral), var(--primary-coral-light));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-white);
}

.advisory-category {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 20px;
}

.advisory-members p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 8px 0;
}

/* Instructors Section */
.instructors-section {
    margin-top: 80px;
    padding: 60px 40px;
    background: linear-gradient(135deg, var(--primary-coral-alpha), var(--secondary-blue-alpha));
    border-radius: 20px;
    text-align: center;
}

.instructors-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.instructors-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

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

.stat-box .stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-coral);
    margin-bottom: 10px;
}

.stat-box .stat-label {
    font-size: 16px;
    color: var(--text-secondary);
}



/* ===================================
   Contact Section
   =================================== */

.contact-section {
    background-color: var(--bg-primary);
}

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

.contact-card {
    background: var(--bg-secondary);
    padding: 40px 30px;
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

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

.contact-card:hover {
    border-color: var(--primary-coral);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-coral), var(--primary-coral-light));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-white);
}

.contact-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

.contact-description {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.8;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--primary-coral);
    color: var(--text-white);
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-normal);
    min-width: 44px;
    min-height: 44px;
}

.contact-btn:hover {
    background: var(--primary-coral-dark);
    transform: translateX(5px);
}

.contact-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 20px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    color: var(--text-secondary);
}

.contact-info-item i {
    font-size: 24px;
    color: var(--primary-coral);
    margin-top: 4px;
}

.contact-detail {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-detail a {
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.contact-detail a:hover {
    color: var(--primary-coral);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: linear-gradient(135deg, var(--secondary-blue), var(--secondary-blue-dark));
    color: var(--text-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 28px;
    margin-bottom: 20px;
}

.footer-logo .brand-logo {
    color: var(--accent-honey);
}

.footer-logo .brand-name {
    color: var(--text-white);
}

.footer-tagline {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 30px;
}

/* 사업자 정보 */
.footer-company-info {
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.company-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--accent-honey);
}

.company-detail {
    font-size: 14px;
    opacity: 0.8;
    margin: 5px 0;
}

/* SNS 링크 */
.footer-social {
    margin-top: 20px;
}

.footer-social h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--accent-honey);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-normal);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.social-link.facebook:hover {
    background: #1877f2;
}

.social-link.instagram:hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.social-link.youtube:hover {
    background: #ff0000;
}

/* 푸터 링크 */
.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-honey);
}

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

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-normal);
}

.footer-section a:hover {
    color: var(--accent-honey);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.7;
    margin: 5px 0;
}

.footer-slogan {
    font-style: italic;
    color: var(--accent-honey-light);
}

/* ===================================
   Back to Top Button
   =================================== */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-coral), var(--primary-coral-light));
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(232, 146, 124, 0.4);
}

/* ===================================
   Animations
   =================================== */

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

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

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .hero-stats {
        gap: 50px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --font-size-base: 15px;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-normal);
        z-index: 999;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1000;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* Hero */
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    /* Section */
    .section-title {
        font-size: 32px;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    /* Team Section Mobile */
    .leader-card {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .leader-left {
        display: flex;
        justify-content: center;
    }
    
    .leader-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .leader-contact {
        justify-content: center;
    }
    
    .leaders-grid {
        grid-template-columns: 1fr;
    }
    
    .instructors-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    /* Timeline */
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item.left .timeline-content,
    .timeline-item.right .timeline-content {
        margin: 0 0 0 70px;
        text-align: left;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-year {
        font-size: 24px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    /* Back to Top */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .mission-cards,
    .projects-grid,
    .education-grid,
    .certification-grid,
    .team-grid,
    .partners-grid,
    .portfolio-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    .navbar,
    .scroll-indicator,
    .back-to-top,
    .hero-buttons,
    .contact-btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}