/* ========================================
   장연랜드 3.0 - AI 챗봇 통합 랜딩 페이지 스타일
   ======================================== */

/* ========== 스플래시 스크린 ========== */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: splashFadeIn 0.5s ease-out;
}

.splash-screen.fade-out {
    animation: splashFadeOut 0.8s ease-in-out forwards;
}

@keyframes splashFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes splashFadeOut {
    to {
        opacity: 0;
        transform: scale(1.05);
        pointer-events: none;
    }
}

.splash-content {
    text-align: center;
    color: white;
    padding: 2rem;
    max-width: 800px;
    animation: splashContentSlideUp 0.8s ease-out 0.3s backwards;
}

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

.splash-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: splashIconBounce 1s ease-in-out infinite;
}

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

.splash-title {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
    line-height: 1.3;
}

.splash-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.splash-divider {
    width: 100px;
    height: 3px;
    background: white;
    margin: 2rem auto;
    border-radius: 2px;
}

.splash-company {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.splash-tagline {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.splash-services {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    opacity: 0.85;
    line-height: 1.8;
}

.splash-services span {
    font-weight: 500;
}

.splash-quote {
    font-size: 1.2rem;
    font-style: italic;
    margin: 2rem 0;
    padding: 1rem 2rem;
    background: rgba(255,255,255,0.15);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    line-height: 1.6;
}

.splash-notice {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.2);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    margin: 1.5rem 0;
    backdrop-filter: blur(10px);
}

.splash-purchase-notice {
    background: rgba(255,255,255,0.25);
    padding: 1.2rem 2rem;
    border-radius: 15px;
    margin: 1.5rem 0;
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255,255,255,0.3);
    animation: pulseGlow 2s ease-in-out infinite;
}

/* 우측 상단 고정 부동산 매입 안내 */
.splash-purchase-notice-fixed {
    position: absolute;
    right: 3rem;
    top: 3rem;
    background: rgba(255,255,255,0.95);
    padding: 1.5rem 2rem;
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 3px solid rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    z-index: 10;
    max-width: 320px;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255,255,255,0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(255,255,255,0.5);
    }
}

.splash-purchase-notice i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.splash-purchase-notice strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.splash-purchase-notice p {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    opacity: 0.95;
}

.splash-purchase-notice-fixed i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 0.8rem;
    display: block;
}

.splash-purchase-notice-fixed strong {
    display: block;
    font-size: 1.15rem;
    margin-bottom: 0.8rem;
    color: #667eea;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.splash-purchase-notice-fixed p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
    color: #334155;
    letter-spacing: -0.3px;
}

.splash-enter-btn {
    background: white;
    color: #667eea;
    border: none;
    padding: 1.2rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    letter-spacing: -0.5px;
    white-space: nowrap;
    min-width: 200px;
}

.splash-enter-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    background: #f8f9fa;
}

.splash-enter-btn i {
    transition: transform 0.3s ease;
}

.splash-enter-btn:hover i {
    transform: translateX(5px);
}

/* 우측 하단 고정 버튼 */
.splash-enter-btn-fixed {
    position: absolute;
    right: 3rem;
    bottom: 3rem;
    background: white;
    color: #667eea;
    border: none;
    padding: 1.5rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
    animation: floatButton 3s ease-in-out infinite;
}

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

.splash-enter-btn-fixed:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0,0,0,0.4);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.splash-enter-btn-fixed i {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.splash-enter-btn-fixed:hover i {
    transform: rotate(90deg);
}

.splash-enter-btn-fixed span {
    text-align: center;
    line-height: 1.4;
    letter-spacing: -0.3px;
}

@media (max-width: 768px) {
    .splash-title {
        font-size: 1.5rem;
    }
    
    .splash-subtitle {
        font-size: 1.2rem;
    }
    
    .splash-company {
        font-size: 1.1rem;
    }
    
    .splash-tagline {
        font-size: 1rem;
    }
    
    .splash-services {
        font-size: 0.9rem;
    }
    
    .splash-quote {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
    
    .splash-purchase-notice {
        padding: 1rem 1.5rem;
    }
    
    .splash-purchase-notice strong {
        font-size: 1.1rem;
    }
    
    .splash-purchase-notice p {
        font-size: 0.9rem;
    }
    
    .splash-purchase-notice-fixed {
        right: 1rem;
        top: 1rem;
        padding: 1rem 1.5rem;
        max-width: calc(100% - 2rem);
        border-width: 2px;
    }
    
    .splash-purchase-notice-fixed i {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .splash-purchase-notice-fixed strong {
        font-size: 1rem;
    }
    
    .splash-purchase-notice-fixed p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .splash-enter-btn {
        font-size: 0.9rem;
        padding: 1rem 1.5rem;
        letter-spacing: -0.3px;
        min-width: 180px;
        gap: 0.4rem;
    }
    
    .splash-enter-btn-fixed {
        right: 1rem;
        bottom: 1.5rem;
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
        border-radius: 15px;
    }
    
    .splash-enter-btn-fixed i {
        font-size: 1.2rem;
    }
    
    .splash-enter-btn-fixed span {
        font-size: 0.85rem;
    }
}

/* 페이드 인 스케일 애니메이션 */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Google Translate 위젯 스타일 */
#google_translate_element {
    margin-top: 1rem;
}

.goog-te-banner-frame.skiptranslate {
    display: none !important;
}

body {
    top: 0 !important;
}

#google_translate_element .goog-te-gadget {
    font-family: var(--font-primary);
}

#google_translate_element .goog-te-combo {
    background: white;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    color: var(--dark);
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 200px;
}

#google_translate_element .goog-te-combo:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}

#google_translate_element .goog-te-combo:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.nav-translate {
    padding: 1rem 0;
    border-top: 1px solid var(--light-gray);
}

@media (min-width: 769px) {
    .nav-translate {
        border: none;
        padding: 0;
    }
}

/* ========== 기본 설정 ========== */
:root {
    /* 색상 팔레트 */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --danger-color: #ef4444;
    
    /* 중성 색상 */
    --dark: #1e293b;
    --dark-light: #334155;
    --gray: #64748b;
    --light-gray: #e2e8f0;
    --white: #ffffff;
    
    /* 그라디언트 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    /* 간격 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 폰트 */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* 그림자 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 애니메이션 */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 헤더 높이 */
    --header-height: 80px;
}

/* ========== 전역 스타일 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
    letter-spacing: -0.4px; /* 글자 자간 20% 축소 */
}

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.5px;
}

p, span, div, a, button, input, textarea {
    letter-spacing: -0.3px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========== 헤더 & 네비게이션 ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

/* 네비게이션 */
.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition-fast);
}

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

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

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

.nav-close-btn {
    display: none;
}

/* 모바일 메뉴 버튼 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition-base);
}

/* 모바일 오버레이 */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: var(--transition-base);
}

.mobile-overlay.active {
    opacity: 1;
}

/* 언어 선택기 */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--light-gray);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.lang-dropdown {
    position: absolute;
    top: 120%;
    right: 0;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-xl);
    min-width: 250px;
    max-height: 400px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    z-index: 1001;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--light-gray);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: var(--primary-light);
    color: var(--white);
}

/* ========== 히어로 섹션 ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    overflow: hidden;
}

.hero-3d {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 41, 59, 0.5);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: 3rem; /* 4rem에서 25% 축소 */
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #f0f9ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.5rem; /* 2rem에서 25% 축소 */
    font-weight: 300;
}

.hero-description {
    font-size: 0.95rem; /* 1.25rem에서 25% 축소 */
    margin: var(--spacing-lg) 0;
    opacity: 0.9;
}

.address-link {
    color: white;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 25px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.3);
}

.address-link:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.address-link i {
    color: var(--secondary-color);
    font-size: 1rem;
}

.address-link-dark {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-weight: 600;
}

.address-link-dark:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

.address-link-dark i {
    font-size: 0.8rem;
    opacity: 0.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

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

.stat-number {
    font-size: 2.25rem; /* 3rem에서 25% 축소 */
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    font-size: 0.75rem; /* 1rem에서 25% 축소 */
    opacity: 0.8;
    margin-top: var(--spacing-xs);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* 스크롤 인디케이터 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { top: 10px; opacity: 1; }
    50% { top: 30px; opacity: 0.5; }
}

/* ========== 버튼 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    font-family: var(--font-primary);
}

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

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

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

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

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

/* ========== 섹션 공통 스타일 ========== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
}

/* ========== About 섹션 ========== */
.about {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

/* ========== Gallery 섹션 ========== */
.gallery {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    height: 300px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    padding: var(--spacing-lg);
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.gallery-overlay p {
    opacity: 0.9;
}

.gallery-item.featured {
    grid-column: span 2;
    height: 400px;
    border: 3px solid var(--primary-color);
    animation: featuredPulse 3s ease-in-out infinite;
}

@keyframes featuredPulse {
    0%, 100% {
        box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
    }
    50% {
        box-shadow: 0 0 50px rgba(99, 102, 241, 0.6);
    }
}

.gallery-overlay.special {
    background: linear-gradient(to top, rgba(99, 102, 241, 0.9) 0%, transparent 100%);
}

.gallery-overlay.special h3 {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (max-width: 768px) {
    .gallery-item.featured {
        grid-column: span 1;
        height: 300px;
    }
}

.gallery-item.feature-card {
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-content {
    text-align: center;
    color: var(--white);
    padding: var(--spacing-xl);
}

.feature-content i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-content p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.feature-content .btn {
    margin-top: var(--spacing-md);
}

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

.about-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition-base);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

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

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.about-card p {
    color: var(--gray);
    line-height: 1.8;
}

/* ========== Pi Ticker 섹션 ========== */
.pi-ticker {
    background: var(--gradient-primary);
    padding: var(--spacing-lg) 0;
}

.ticker-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: 20px;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--white);
}

.ticker-item i {
    font-size: 2.5rem;
    opacity: 0.9;
}

.ticker-info {
    display: flex;
    flex-direction: column;
}

.ticker-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
}

.ticker-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.ticker-change {
    font-size: 1rem;
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.ticker-change.positive {
    color: #10b981;
}

.ticker-change.negative {
    color: #ef4444;
}

.ticker-note {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--white);
    opacity: 0.7;
}

.ticker-note a {
    color: var(--white);
    text-decoration: underline;
}

/* ========== Location 섹션 ========== */
.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.info-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.info-item i {
    font-size: 2rem;
    color: var(--primary-color);
    min-width: 40px;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--dark);
}

.info-item p {
    color: var(--gray);
}

.info-item small {
    color: var(--gray);
    font-size: 0.9rem;
}

.location-map {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.map-link-container {
    display: block;
    text-decoration: none;
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
}

.map-link-container:hover {
    transform: translateY(-5px);
}

.map-placeholder {
    height: 100%;
    min-height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    padding: var(--spacing-xl);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.map-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.map-placeholder i {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    animation: bounce 2s ease-in-out infinite;
}

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

.map-placeholder h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.map-placeholder p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.map-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.map-link-container:hover .map-button {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.6);
    transform: scale(1.05);
}

/* ========== 3년 락업 채굴 시나리오 섹션 ========== */
.lockup-scenario {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

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

.lockup-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lockup-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.lockup-card.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.lockup-card i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.lockup-card.highlight i {
    color: white;
}

.lockup-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.big-stat {
    font-size: 2.5rem;
    font-weight: 900;
    margin: var(--spacing-md) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lockup-card.highlight .big-stat {
    background: white;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lockup-card small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.lockup-mining-table {
    margin: var(--spacing-xxl) 0;
}

.subsection-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--text-primary);
}

.price-scenarios {
    margin: var(--spacing-xxl) 0;
}

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

.scenario-card {
    background: white;
    border-radius: 20px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.scenario-card.featured {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: 3px solid rgba(255,255,255,0.3);
}

.scenario-header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid rgba(0,0,0,0.1);
    margin-bottom: var(--spacing-lg);
}

.scenario-card.featured .scenario-header {
    border-bottom-color: rgba(255,255,255,0.3);
}

.scenario-header i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.scenario-card.featured .scenario-header i {
    color: white;
}

.scenario-header h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.pi-amount {
    display: inline-block;
    background: rgba(102, 126, 234, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.scenario-card.featured .pi-amount {
    background: rgba(255,255,255,0.2);
    color: white;
}

.price-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.scenario-card.featured .price-item {
    background: rgba(255,255,255,0.1);
}

.price-item:hover {
    transform: translateX(5px);
    background: var(--primary-color);
    color: white;
}

.scenario-card.featured .price-item:hover {
    background: rgba(255,255,255,0.25);
}

.price-item.highlight {
    background: var(--primary-color);
    color: white;
    font-weight: 700;
    border: 2px solid var(--accent-color);
}

.scenario-card.featured .price-item.highlight {
    background: rgba(255,255,255,0.3);
    border-color: white;
}

.price-item .price {
    font-size: 1.1rem;
    font-weight: 600;
}

.price-item .result {
    font-size: 1.2rem;
    font-weight: 700;
}

.result.best {
    font-size: 1.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.lockup-highlights {
    margin: var(--spacing-xxl) 0;
}

.highlight-box {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.highlight-box i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.highlight-box h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

.highlight-box ul li {
    padding: var(--spacing-sm) 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.1rem;
}

.highlight-box ul li:before {
    content: '✓';
    position: absolute;
    left: 0;
    font-weight: 900;
    font-size: 1.3rem;
}

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

.warning-item {
    background: #fff3cd;
    border-left: 4px solid #f0ad4e;
    padding: var(--spacing-md);
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.warning-item i {
    color: #f0ad4e;
    font-size: 1.3rem;
    margin-top: 0.2rem;
}

.warning-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .lockup-info {
        grid-template-columns: 1fr;
    }
    
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    
    .big-stat {
        font-size: 2rem;
    }
    
    .lockup-warnings {
        grid-template-columns: 1fr;
    }
}

/* ========== Roadmap 섹션 ========== */
/* ========== 수익률 계산 섹션 ========== */
.revenue-calc {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.calc-notice {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
}

.calc-notice i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.calc-notice p {
    margin: 0;
    font-size: 1.1rem;
}

.revenue-table-container {
    overflow-x: auto;
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 2rem;
}

.revenue-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1rem;
}

.revenue-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.revenue-table th {
    padding: 1.2rem;
    text-align: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.revenue-table td {
    padding: 1.2rem;
    text-align: center;
    border-bottom: 1px solid var(--light-gray);
}

.revenue-table tbody tr:hover {
    background: #f8fafc;
    transform: scale(1.01);
    transition: all 0.3s ease;
}

.revenue-table .year-1 {
    background: rgba(99, 102, 241, 0.05);
}

.revenue-table .year-2 {
    background: rgba(245, 158, 11, 0.05);
}

.revenue-table .year-3 {
    background: rgba(16, 185, 129, 0.05);
}

.revenue-table .highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    font-weight: 700;
    border: 2px solid var(--primary-color);
}

.revenue-table .positive {
    color: var(--accent-color);
    font-weight: 700;
}

.revenue-table .highlight-text {
    font-size: 1.3rem;
    color: #10b981;
}

.revenue-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.summary-box {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.summary-box:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.summary-box.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.summary-box i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.summary-box.highlight i {
    color: white;
}

.summary-box h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.summary-box.highlight h3 {
    color: white;
}

.summary-box .big-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.summary-box.highlight .big-number {
    color: white;
}

.summary-box small {
    color: var(--gray);
    font-size: 0.9rem;
}

.summary-box.highlight small {
    color: rgba(255,255,255,0.9);
}

.calc-notes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.note-item {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.note-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.note-item p {
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .revenue-table {
        font-size: 0.85rem;
    }
    
    .revenue-table th,
    .revenue-table td {
        padding: 0.8rem 0.5rem;
    }
    
    .summary-box .big-number {
        font-size: 2rem;
    }
    
    .calc-notes {
        grid-template-columns: 1fr;
    }
}

.roadmap {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.roadmap-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.roadmap-tab {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.roadmap-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.roadmap-tab.active {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
}

.roadmap-content {
    display: none;
}

.roadmap-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.year-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.summary-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.summary-card.highlight {
    background: var(--gradient-primary);
    color: var(--white);
}

.summary-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.roi-big {
    font-size: 3rem;
    font-weight: 900;
    margin: var(--spacing-sm) 0;
}

.pi-price-projection {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-sm) 0;
}

.summary-card.highlight .pi-price-projection {
    color: var(--white);
}

.quarterly-timeline {
    display: grid;
    gap: var(--spacing-xl);
}

.quarter-item {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border-left: 5px solid var(--primary-color);
    transition: var(--transition-base);
}

.quarter-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-2xl);
}

.quarter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.quarter-badge {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

.quarter-roi {
    background: var(--accent-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-weight: 700;
    font-size: 1.1rem;
}

.quarter-item h4 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.quarter-item ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.quarter-item li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray);
}

.quarter-item li i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.quarter-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--light-gray);
}

.quarter-metrics span {
    background: var(--light-gray);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.quarter-metrics i {
    color: var(--primary-color);
}

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

.timeline-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 80px;
    bottom: -40px;
    width: 2px;
    background: var(--light-gray);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-icon {
    min-width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.timeline-year {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

.timeline-content ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.timeline-content li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray);
}

.timeline-content li i {
    color: var(--accent-color);
}

.timeline-progress {
    height: 8px;
    background: var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 1s ease;
}

/* ========== Pi Network 섹션 ========== */
.pinetwork {
    background: var(--dark);
    color: var(--white);
}

.pinetwork .section-title,
.pinetwork .section-subtitle {
    color: var(--white);
}

.pi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.pi-feature {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-base);
}

.pi-feature:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.pi-feature h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.pi-feature p {
    opacity: 0.8;
    line-height: 1.8;
}

.pi-chart-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
}

/* ========== Investment 섹션 ========== */
.investment {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.investment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
}

.investment-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.investment-card .card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.investment-card .card-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.investment-card .card-header h3 {
    font-size: 1.5rem;
    color: var(--dark);
}

.investment-chart {
    min-height: 300px;
}

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

.roi-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: 10px;
}

.roi-row.highlight {
    background: var(--gradient-primary);
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
}

.roi-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.roi-row.highlight .roi-value {
    color: var(--white);
}

/* ========== Contact 섹션 ========== */
.contact {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    min-width: 40px;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--dark);
}

.contact-item p {
    color: var(--gray);
    font-weight: 500;
}

.contact-item small {
    display: block;
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.chatbot-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 25px;
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-2xl);
    position: relative;
    overflow: hidden;
}

.chatbot-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

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

.chatbot-cta-icon {
    font-size: 4rem;
    color: white;
    margin-bottom: var(--spacing-md);
    animation: bounce 2s ease-in-out infinite;
}

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

.chatbot-cta h3 {
    color: white;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.chatbot-cta p {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.btn-large {
    font-size: 1.2rem;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.btn-large:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.btn-large i {
    margin-right: 0.5rem;
}

/* ========== 하단 챗봇 네비게이션바 ========== */
.chatbot-navbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
}

.chatbot-panel {
    position: absolute;
    bottom: 70px;
    left: 0;
    right: 0;
    max-width: 100%;
    height: 500px;
    background: var(--white);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.chatbot-navbar.active .chatbot-panel {
    transform: translateY(0);
}

.chatbot-header {
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 0;
}

.chatbot-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
}

.online-badge {
    font-size: 0.8rem;
    color: #10b981;
    margin-left: var(--spacing-xs);
}

.chatbot-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: var(--white);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.chatbot-close:hover {
    background: rgba(255,255,255,0.3);
}

.chatbot-messages {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    background: #f8fafc;
}

.bot-message {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    animation: slideIn 0.3s ease;
}

.user-message {
    display: flex;
    gap: var(--spacing-sm);
    flex-direction: row-reverse;
    margin-bottom: var(--spacing-md);
    animation: slideIn 0.3s ease;
}

.message-avatar {
    min-width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.user-message .message-avatar {
    background: var(--secondary-color);
}

.message-bubble {
    max-width: 70%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--white);
    border-radius: 15px 15px 15px 0;
    box-shadow: var(--shadow-sm);
}

.user-message .message-bubble {
    background: var(--primary-light);
    color: var(--white);
    border-radius: 15px 15px 0 15px;
}

.message-bubble p {
    margin: 0;
    line-height: 1.5;
}

.message-time {
    font-size: 0.7rem;
    opacity: 0.6;
    margin-top: var(--spacing-xs);
    display: block;
}

.quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.quick-reply {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--white);
    border: 2px solid var(--primary-light);
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.quick-reply:hover {
    background: var(--primary-color);
    color: var(--white);
}

.chatbot-input-container {
    padding: var(--spacing-md);
    background: var(--white);
    border-top: 1px solid var(--light-gray);
    display: flex;
    gap: var(--spacing-sm);
}

#chatbot-input-field {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
}

#chatbot-input-field:focus {
    outline: none;
    border-color: var(--primary-color);
}

#chatbot-send-btn {
    min-width: 45px;
    height: 45px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

#chatbot-send-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.chatbot-trigger {
    width: 100%;
    height: 70px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.chatbot-trigger:hover {
    background: var(--primary-dark);
}

.chatbot-trigger i {
    font-size: 1.5rem;
}

.notification-dot {
    position: absolute;
    top: 15px;
    right: 20px;
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.chatbot-navbar.active .notification-dot {
    display: none;
}

/* 타이핑 인디케이터 */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--gray);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* 알림 팝업 */
.notification-popup {
    position: fixed;
    top: 100px;
    right: 20px;
    max-width: 400px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-2xl);
    z-index: 9999;
    animation: slideInRight 0.3s ease;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.notification-popup.success {
    border-left: 5px solid var(--accent-color);
}

.notification-popup.error {
    border-left: 5px solid var(--danger-color);
}

.notification-content {
    padding: var(--spacing-lg);
    position: relative;
}

.notification-content p {
    margin: 0;
    line-height: 1.6;
    color: var(--dark);
}

.notification-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.notification-close:hover {
    color: var(--dark);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========== Footer ========== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.8;
}

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

.footer-section ul li {
    padding: var(--spacing-xs) 0;
    opacity: 0.8;
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

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

.footer-bottom p {
    opacity: 0.8;
    margin: var(--spacing-xs) 0;
}

.footer-motto {
    font-style: italic;
    color: var(--primary-light);
}

/* ========== 반응형 디자인 ========== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem; /* 추가 축소 */
    }
    
    .subtitle {
        font-size: 1.25rem; /* 추가 축소 */
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .location-grid,
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .chatbot-cta h3 {
        font-size: 1.5rem;
    }
    
    .chatbot-cta p {
        font-size: 1rem;
    }
    
    .investment-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* 헤더 */
    .header-content {
        padding: 0 var(--spacing-md);
    }
    
    /* 모바일 메뉴 */
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* 오프캔버스 네비게이션 */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-2xl) var(--spacing-lg);
        box-shadow: var(--shadow-2xl);
        transition: right 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-close-btn {
        display: block;
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--dark);
        cursor: pointer;
    }
    
    .nav-link {
        width: 100%;
        padding: var(--spacing-sm) 0;
        font-size: 1.1rem;
    }
    
    .mobile-overlay.active {
        display: block;
    }
    
    /* 언어 선택기 */
    .language-selector {
        position: static;
        width: 100%;
        margin-top: var(--spacing-lg);
    }
    
    .lang-btn {
        width: 100%;
        justify-content: center;
    }
    
    .lang-dropdown {
        right: auto;
        left: 0;
        width: 100%;
    }
    
    /* 히어로 */
    .hero-title {
        font-size: 2rem; /* 모바일 추가 축소 */
    }
    
    .subtitle {
        font-size: 1rem; /* 모바일 추가 축소 */
    }
    
    .hero-description {
        font-size: 0.85rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 1.8rem; /* 모바일 추가 축소 */
    }
    
    .stat-label {
        font-size: 0.65rem;
    }
    
    .address-link {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    /* 섹션 */
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* About */
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    /* 로드맵 */
    .timeline-item {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .timeline-item::before {
        left: 40px;
        top: 80px;
    }
    
    /* Pi Network */
    .pi-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    /* Chatbot */
    .chatbot-container.expanded {
        width: 100%;
        height: 100%;
        bottom: 0;
        right: 0;
        border-radius: 0;
    }
    
    .chatbot-header {
        border-radius: 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .chatbot-panel {
        height: calc(100vh - 70px);
    }
    
    .notification-popup {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

/* ========== 애니메이션 ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ========== 스크롤바 커스터마이징 ========== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}