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

:root {
    /* Color Palette */
    --deep-space-blue: #0a1128;
    --cyber-orange: #ff6b35;
    --charcoal-gray: #2e3440;
    --light-gray: #eceff4;
    --white: #ffffff;
    --accent-blue: #1e3a8a;
    --accent-cyan: #06b6d4;
    
    /* Typography */
    --font-en: 'Inter', sans-serif;
    --font-ko: 'Noto Sans KR', sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Effects */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-ko);
    background-color: var(--deep-space-blue);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ============================================
   Energy Gauge (c²) - 스크롤 반응형
   ============================================ */
.energy-gauge {
    position: fixed;
    top: 100px;
    right: 30px;
    z-index: 999;
    background: rgba(10, 17, 40, 0.9);
    backdrop-filter: blur(10px);
    border: 2px solid var(--cyber-orange);
    border-radius: 12px;
    padding: 20px;
    min-width: 200px;
    box-shadow: 0 10px 40px rgba(255, 107, 53, 0.3);
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.6s ease-out;
}

.energy-gauge.active {
    opacity: 1;
    transform: translateX(0);
}

.gauge-label {
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 700;
    color: var(--cyber-orange);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.gauge-bar {
    width: 100%;
    height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    margin-bottom: 10px;
}

.gauge-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--cyber-orange), var(--accent-cyan));
    transition: width 0.3s ease-out;
    position: relative;
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.8);
}

.gauge-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.gauge-value {
    font-family: var(--font-en);
    font-size: 24px;
    font-weight: 900;
    color: var(--white);
    text-align: center;
}

.gauge-status {
    font-size: 11px;
    color: var(--light-gray);
    text-align: center;
    margin-top: 5px;
}

.gauge-status.critical {
    color: var(--cyber-orange);
    font-weight: 700;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   Floating Contact Button
   ============================================ */
.floating-contact {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 998;
    background: var(--cyber-orange);
    color: var(--white);
    padding: 18px 28px;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
    transition: var(--transition);
}

.floating-contact:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.6);
}

.floating-contact i {
    font-size: 20px;
    animation: bolt 1.5s infinite;
}

@keyframes bolt {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-15deg); }
    75% { transform: rotate(15deg); }
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 17, 40, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 107, 53, 0.2);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-formula {
    font-family: var(--font-en);
    font-size: 24px;
    font-weight: 700;
    color: var(--cyber-orange);
    font-style: italic;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyber-orange);
    transition: var(--transition);
}

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

.nav-menu a.nav-cta {
    background: var(--cyber-orange);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 4px;
}

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

.nav-menu a.nav-cta:hover {
    background: #ff8559;
    transform: translateY(-2px);
}

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

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 107, 53, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 53, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.particle-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 0 40px;
}

.hero-formula {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
    animation: fadeInDown 1s ease-out;
}

.formula-main {
    font-family: var(--font-en);
    font-size: 80px;
    font-weight: 900;
    color: var(--cyber-orange);
    font-style: italic;
    line-height: 1;
    text-shadow: 0 0 30px rgba(255, 107, 53, 0.5);
}

.formula-sub {
    font-family: var(--font-en);
    font-size: 18px;
    font-weight: 300;
    color: var(--light-gray);
    margin-top: 10px;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 32px;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 50px;
    color: var(--light-gray);
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.hero-name {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.name-ko {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
}

.name-en {
    font-family: var(--font-en);
    font-size: 24px;
    font-weight: 300;
    color: var(--light-gray);
    border-left: 2px solid var(--cyber-orange);
    padding-left: 20px;
}

.hero-scroll {
    display: inline-block;
    color: var(--cyber-orange);
    font-size: 32px;
    animation: bounce 2s infinite;
    cursor: pointer;
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 700;
    color: var(--cyber-orange);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-en);
    font-size: 56px;
    font-weight: 900;
    margin: 10px 0 20px;
    color: var(--white);
}

.section-description {
    font-size: 18px;
    font-weight: 300;
    color: var(--light-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Identity Section - 회전 원형 구조
   ============================================ */
.identity {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, var(--deep-space-blue) 0%, #1a1f3a 100%);
}

/* 회전 원형 페르소나 시스템 */
.persona-orbit {
    position: relative;
    width: 600px;
    height: 600px;
    margin: 0 auto 100px;
}

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
    z-index: 10;
}

.center-core {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--cyber-orange), #d94e27);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 60px rgba(255, 107, 53, 0.6);
    animation: rotate 20s linear infinite;
}

.core-formula {
    font-family: var(--font-en);
    font-size: 32px;
    font-weight: 900;
    color: var(--white);
    font-style: italic;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.core-text {
    font-size: 12px;
    color: rgba(255,255,255,0.9);
    margin-top: 5px;
    font-weight: 600;
    letter-spacing: 1px;
}

.persona-node {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(46, 52, 64, 0.8);
    border: 3px solid var(--cyber-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    animation: orbit 30s linear infinite;
}

.persona-node:hover {
    transform: scale(1.2);
    box-shadow: 0 0 40px rgba(255, 107, 53, 0.8);
    background: var(--cyber-orange);
}

.persona-node .node-icon {
    font-size: 40px;
    color: var(--cyber-orange);
    transition: var(--transition);
}

.persona-node:hover .node-icon {
    color: var(--white);
    transform: rotate(360deg);
}

/* 노드 위치 */
.node-1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
}

.node-2 {
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    animation-delay: -7.5s;
}

.node-3 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: -15s;
}

.node-4 {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    animation-delay: -22.5s;
}

/* 연결선 */
.node-connector {
    position: absolute;
    width: 2px;
    height: 150px;
    background: linear-gradient(to bottom, var(--cyber-orange), transparent);
    top: 50%;
    left: 50%;
    transform-origin: top center;
    pointer-events: none;
}

.node-1 .node-connector {
    transform: translate(-50%, 0);
}

.node-2 .node-connector {
    transform: translate(-50%, 0) rotate(90deg);
}

.node-3 .node-connector {
    transform: translate(-50%, -100%) rotate(180deg);
}

.node-4 .node-connector {
    transform: translate(-50%, 0) rotate(-90deg);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes orbit {
    0% { transform: rotate(0deg) translateX(250px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(250px) rotate(-360deg); }
}

/* ============================================
   Persona Gallery - 킬러 콘텐츠 카드
   ============================================ */
.persona-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.killer-card {
    background: rgba(46, 52, 64, 0.6);
    border: 2px solid rgba(255, 107, 53, 0.3);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.killer-card:hover {
    transform: translateY(-10px);
    border-color: var(--cyber-orange);
    box-shadow: 0 20px 60px rgba(255, 107, 53, 0.3);
}

.killer-image {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.killer-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.killer-card:hover .killer-image img {
    transform: scale(1.1);
}

.killer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(10, 17, 40, 0.9));
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.overlay-icon {
    font-size: 48px;
    color: var(--cyber-orange);
}

.killer-content {
    padding: 30px;
}

.killer-title {
    font-family: var(--font-en);
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 5px;
}

.killer-subtitle {
    font-size: 14px;
    color: var(--light-gray);
    margin-bottom: 15px;
}

.killer-lead {
    font-size: 18px;
    font-weight: 600;
    color: var(--cyber-orange);
    margin-bottom: 20px;
}

.killer-list {
    list-style: none;
}

.killer-list li {
    font-size: 14px;
    color: var(--light-gray);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.killer-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--cyber-orange);
    font-weight: 700;
}

.killer-list li strong {
    color: var(--white);
}

/* ============================================
   Business Section - 협력기관 로고 슬라이드
   ============================================ */
.business {
    padding: var(--section-padding) 0;
    background: var(--charcoal-gray);
}

.partner-section {
    margin-bottom: 80px;
    text-align: center;
}

.partner-title {
    font-family: var(--font-en);
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.partner-description {
    font-size: 16px;
    color: var(--light-gray);
    margin-bottom: 40px;
}

.partner-slider {
    overflow: hidden;
    padding: 40px 0;
    position: relative;
}

.partner-slider::before,
.partner-slider::after {
    content: '';
    position: absolute;
    top: 0;
    width: 200px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.partner-slider::before {
    left: 0;
    background: linear-gradient(to right, var(--charcoal-gray), transparent);
}

.partner-slider::after {
    right: 0;
    background: linear-gradient(to left, var(--charcoal-gray), transparent);
}

.partner-track {
    display: flex;
    gap: 60px;
    animation: slide 20s linear infinite;
}

@keyframes slide {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partner-item {
    flex-shrink: 0;
}

.partner-logo {
    background: rgba(10, 17, 40, 0.6);
    border: 2px solid var(--cyber-orange);
    border-radius: 12px;
    padding: 30px 50px;
    text-align: center;
    min-width: 200px;
    transition: var(--transition);
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.logo-text {
    font-family: var(--font-en);
    font-size: 36px;
    font-weight: 900;
    color: var(--cyber-orange);
    margin-bottom: 10px;
}

.partner-logo span {
    font-size: 13px;
    color: var(--light-gray);
    display: block;
}

.business-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.business-main {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.business-card {
    background: rgba(10, 17, 40, 0.6);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 12px;
    padding: 40px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.business-card.highlight {
    border-color: var(--cyber-orange);
    background: rgba(255, 107, 53, 0.1);
}

.business-card:hover {
    transform: translateY(-5px);
    border-color: var(--cyber-orange);
    box-shadow: 0 15px 30px rgba(255, 107, 53, 0.15);
}

.business-number {
    font-family: var(--font-en);
    font-size: 48px;
    font-weight: 900;
    color: rgba(255, 107, 53, 0.2);
    margin-bottom: 20px;
}

.business-card h3 {
    font-family: var(--font-en);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--white);
}

.business-card p {
    font-size: 15px;
    color: var(--light-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.business-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--cyber-orange);
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid var(--cyber-orange);
    padding: 5px 12px;
    border-radius: 20px;
}

.business-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 30px;
    background: rgba(10, 17, 40, 0.4);
    border-radius: 12px;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.stat-number {
    font-family: var(--font-en);
    font-size: 64px;
    font-weight: 900;
    color: var(--cyber-orange);
    margin-bottom: 10px;
}

.stat-label {
    font-family: var(--font-en);
    font-size: 16px;
    font-weight: 300;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ============================================
   Archive Section - 3D 북케이스
   ============================================ */
.archive {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, #1a1f3a 0%, var(--deep-space-blue) 100%);
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.archive-card {
    background: rgba(46, 52, 64, 0.4);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 12px;
    padding: 50px;
    text-align: center;
}

.archive-icon {
    font-size: 56px;
    color: var(--cyber-orange);
    margin-bottom: 25px;
}

.archive-card h3 {
    font-family: var(--font-en);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--white);
}

/* 3D 북셸프 */
.bookshelf {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 15px;
    margin: 40px 0;
    perspective: 1000px;
}

.book {
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    transform-style: preserve-3d;
}

.book:hover {
    transform: translateY(-20px) rotateY(15deg);
}

.book-spine {
    position: absolute;
    left: 0;
    top: 0;
    width: 15px;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 3px 0 0 3px;
}

.book-cover {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.5);
}

.book-main {
    width: 180px;
    height: 260px;
}

.book-main .book-cover {
    background: linear-gradient(135deg, var(--cyber-orange), #d94e27);
}

.book-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.4;
    text-align: center;
    margin-bottom: 10px;
}

.book-author {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.book-2, .book-3, .book-4 {
    width: 120px;
    height: 200px;
}

.book-2 .book-cover {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
}

.book-3 .book-cover {
    background: linear-gradient(135deg, #047857, #10b981);
}

.book-4 .book-cover {
    background: linear-gradient(135deg, #7c2d12, #ea580c);
}

.book-title-small {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.4;
    text-align: center;
}

.archive-desc {
    font-size: 16px;
    color: var(--light-gray);
    line-height: 1.8;
    margin-top: 20px;
}

/* Network Badges */
.network-badges {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 30px 0;
}

.badge {
    background: rgba(10, 17, 40, 0.6);
    border: 2px solid var(--cyber-orange);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.badge:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.badge-icon {
    font-size: 32px;
    color: var(--cyber-orange);
    width: 60px;
    text-align: center;
}

.badge-info {
    flex: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.badge-title {
    font-family: var(--font-en);
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
}

.badge-role {
    font-size: 14px;
    color: var(--cyber-orange);
    font-weight: 600;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    position: relative;
    padding: var(--section-padding) 0;
    background: var(--charcoal-gray);
    overflow: hidden;
}

.contact-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 107, 53, 0.1), transparent 70%);
    z-index: 0;
}

.contact-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-formula {
    margin-bottom: 30px;
}

.contact-formula span {
    font-family: var(--font-en);
    font-size: 64px;
    font-weight: 900;
    color: var(--cyber-orange);
    font-style: italic;
    text-shadow: 0 0 30px rgba(255, 107, 53, 0.5);
}

.contact-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 30px;
    color: var(--white);
}

.contact-description {
    font-size: 18px;
    color: var(--light-gray);
    line-height: 1.8;
    margin-bottom: 50px;
}

.contact-info {
    margin-bottom: 30px;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--cyber-orange);
    color: var(--white);
    padding: 20px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: var(--transition);
}

.contact-email:hover {
    background: #ff8559;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(255, 107, 53, 0.3);
}

.contact-locations {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.location-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--light-gray);
    font-size: 15px;
}

.location-item i {
    color: var(--cyber-orange);
    font-size: 18px;
    flex-shrink: 0;
}

.location-link {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition);
    padding: 8px 16px;
    border-radius: 6px;
    background: rgba(255, 107, 53, 0.05);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.location-link:hover {
    color: var(--cyber-orange);
    background: rgba(255, 107, 53, 0.1);
    border-color: var(--cyber-orange);
    transform: translateX(5px);
}

.location-link strong {
    color: var(--white);
    font-weight: 600;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--deep-space-blue);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 107, 53, 0.2);
}

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

.footer-formula {
    font-family: var(--font-en);
    font-size: 20px;
    font-weight: 700;
    color: var(--cyber-orange);
    font-style: italic;
    margin-bottom: 10px;
}

.footer-left p,
.footer-right p {
    font-size: 14px;
    color: var(--light-gray);
}

.footer-right p {
    font-family: var(--font-en);
    font-style: italic;
}

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

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

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    :root {
        --section-padding: 80px;
    }
    
    .container {
        padding: 0 30px;
    }
    
    .energy-gauge {
        right: 15px;
        top: 80px;
        min-width: 150px;
        padding: 15px;
    }
    
    .floating-contact {
        bottom: 20px;
        right: 20px;
        padding: 15px 20px;
        font-size: 14px;
    }
    
    .nav-menu {
        position: fixed;
        top: 73px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 73px);
        background: rgba(10, 17, 40, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 50px;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .formula-main {
        font-size: 56px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .persona-orbit {
        width: 400px;
        height: 400px;
    }
    
    .persona-gallery {
        grid-template-columns: 1fr;
    }
    
    .business-main {
        grid-template-columns: 1fr;
    }
    
    .archive-grid {
        grid-template-columns: 1fr;
    }
    
    .business-stats {
        grid-template-columns: 1fr;
    }
    
    .bookshelf {
        flex-wrap: wrap;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .formula-main {
        font-size: 40px;
    }
    
    .hero-title {
        font-size: 20px;
    }
    
    .hero-name {
        flex-direction: column;
        gap: 10px;
    }
    
    .name-en {
        border-left: none;
        border-top: 2px solid var(--cyber-orange);
        padding-left: 0;
        padding-top: 10px;
    }
    
    .persona-orbit {
        width: 300px;
        height: 300px;
    }
    
    .orbit-center {
        width: 120px;
        height: 120px;
    }
    
    .persona-node {
        width: 70px;
        height: 70px;
    }
    
    .node-icon {
        font-size: 28px !important;
    }
    
    .contact-title {
        font-size: 32px;
    }
    
    .contact-email {
        flex-direction: column;
        gap: 10px;
        padding: 15px 30px;
    }
    
    .contact-locations {
        gap: 15px;
    }
    
    .location-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .location-link {
        text-align: center;
    }
    
    .partner-slider {
        padding: 20px 0;
    }
}