/* Alpha Horizon CSS */
:root {
    --primary-color: #1a237e;
    --accent-color: #ffd700;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --background: #ffffff;
    --background-light: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-large: 16px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --max-width: 1200px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: var(--spacing-sm); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #ffed4e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-brand-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.nav-brand-link:hover {
    transform: scale(1.05);
    color: var(--accent-color);
}

.nav-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.brand-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.lang-toggle {
    display: flex;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.lang-toggle span {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-toggle span.active {
    background-color: var(--primary-color);
    color: white;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--background) 0%, var(--background-light) 100%);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-divider {
    color: var(--border-color);
    font-size: 1.5rem;
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Brand Evolution */
.brand-evolution {
    background-color: var(--background-light);
}

.books-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.book-item {
    background: white;
    border-radius: var(--radius-large);
    padding: var(--spacing-md);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

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

.book-item.featured {
    border: 2px solid var(--accent-color);
    position: relative;
}

.book-year {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.book-cover {
    position: relative;
    width: 160px;
    height: 220px;
    margin: 0 auto var(--spacing-sm);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.coming-soon {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-weight: 600;
}

.book-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.book-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
}

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

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

.timeline-year {
    background-color: var(--primary-color);
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.timeline-content {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow);
    flex: 1;
    margin: 0 var(--spacing-md);
    max-width: 300px;
}

.timeline-item.current .timeline-year {
    background-color: var(--accent-color);
    color: var(--primary-color);
    animation: pulse 2s infinite;
}

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

/* Philosophy Section */
.philosophy {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3f8f 100%);
    color: white;
}

.philosophy-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.philosophy-title {
    color: var(--accent-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.philosophy-quote {
    border-left: 4px solid var(--accent-color);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-style: italic;
    font-size: 1.1rem;
    opacity: 0.9;
}

.philosophy-description {
    font-size: 1rem;
    opacity: 0.85;
    line-height: 1.7;
}

.philosophy-image img {
    width: 100%;
    max-width: 300px;
    border-radius: var(--radius-large);
}

/* CTA Section */
.cta {
    background-color: var(--background-light);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.footer-brand h3 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.footer-contact {
    text-align: right;
}

.footer a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

.donation-messages {
    margin-bottom: var(--spacing-sm);
}

.donation-message {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.5;
    font-weight: 400;
    margin: 0;
    font-style: italic;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .donation-messages {
        padding: 0 var(--spacing-sm);
    }
    
    .donation-message {
        font-size: 0.85rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--border-color);
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stat-divider {
        display: none;
    }
    
    .books-timeline {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: row;
        padding-left: 100px;
    }
    
    .timeline-year {
        position: absolute;
        left: 0;
        width: 60px;
        height: 60px;
        font-size: 0.9rem;
    }
    
    .timeline-content {
        margin: 0;
        max-width: none;
    }
    
    .philosophy-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .footer-contact {
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    .hero {
        padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .book-cover {
        width: 120px;
        height: 165px;
    }
    
    .books-timeline {
        gap: var(--spacing-md);
    }
    
    .timeline-item {
        padding-left: 80px;
    }
    
    .timeline-year {
        width: 50px;
        height: 50px;
        font-size: 0.8rem;
    }
}

/* Smooth Animations */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

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

/* Language Toggle Styles */
[data-lang="en"] [data-kr] {
    display: none;
}

[data-lang="en"] [data-en] {
    display: block;
}

[data-lang="kr"] [data-en] {
    display: none;
}

[data-lang="kr"] [data-kr] {
    display: block;
}

/* 2028 Focus Page Styles */
.focus-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3f8f 100%);
    color: white;
}

.focus-hero .hero-title {
    color: white;
}

.focus-hero .hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.focus-hero .stat-number {
    color: var(--accent-color);
}

.focus-hero .stat-label {
    color: rgba(255, 255, 255, 0.8);
}

.focus-hero .stat-divider {
    color: rgba(255, 255, 255, 0.5);
}

/* Overview Section */
.overview {
    background-color: var(--background-light);
    padding: var(--spacing-xl) 0;
}

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

.overview-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-large);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.overview-icon {
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: center;
    align-items: center;
}

.overview-icon img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    object-fit: cover;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.overview-icon img:hover {
    transform: scale(1.05);
}

.overview-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.overview-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Signs Analysis */
.signs-analysis {
    padding: var(--spacing-xl) 0;
}

.sign-section {
    margin-bottom: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.sign-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3f8f 100%);
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sign-icon {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sign-icon img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.sign-title-group {
    flex: 1;
}

.sign-title {
    color: white;
    margin-bottom: var(--spacing-xs);
    font-size: 2rem;
}

.sign-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin: 0;
}

.sign-content {
    padding: var(--spacing-lg);
}

.sign-description h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.sign-description h3:first-child {
    margin-top: 0;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.analysis-item {
    background: var(--background-light);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    border-left: 4px solid var(--accent-color);
}

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

.analysis-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.timeline-prediction {
    background: linear-gradient(135deg, var(--accent-color) 0%, #ffed4e 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    margin-top: var(--spacing-md);
}

.timeline-prediction h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.timeline-prediction p {
    color: var(--primary-color);
    font-weight: 500;
    margin: 0;
}

/* Investment Strategy */
.investment-strategy {
    background-color: var(--background-light);
    padding: var(--spacing-xl) 0;
}

.strategy-content {
    margin-top: var(--spacing-lg);
}

.strategy-item {
    margin-bottom: var(--spacing-xl);
}

.strategy-item h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* Strategy Insight */
.strategy-insight {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.strategy-quote {
    background: linear-gradient(135deg, var(--background-light) 0%, rgba(255, 215, 0, 0.05) 100%);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: 0;
    position: relative;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.2);
    max-width: 800px;
    margin: 0 auto;
}

.strategy-quote::before {
    content: '"';
    position: absolute;
    top: -15px;
    left: 30px;
    font-size: 5rem;
    color: var(--accent-color);
    font-family: serif;
    line-height: 1;
    opacity: 0.7;
}

.strategy-quote p {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

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

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

/* Responsive Design for 2028 Focus */
@media (max-width: 768px) {
    .sign-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .sign-icon img {
        width: 50px;
        height: 50px;
    }
    
    .overview-icon img {
        width: 50px;
        height: 50px;
    }
    
    .sign-title {
        font-size: 1.5rem;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
    }
    
    .strategy-quote {
        padding: var(--spacing-lg);
    }
    
    .strategy-quote p {
        font-size: 1.1rem;
    }
    
    .strategy-quote::before {
        font-size: 4rem;
        top: -12px;
        left: 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .sign-content {
        padding: var(--spacing-md);
    }
    
    .overview-item {
        padding: var(--spacing-md);
    }
    
    .phase-item {
        padding: var(--spacing-md);
    }
    
    .sign-title {
        font-size: 1.3rem;
    }
    
    .strategy-item h3 {
        font-size: 1.5rem;
    }
}

/* Progress Bars */
.progress-section {
    margin: var(--spacing-md) 0;
}

.progress-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.progress-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: all 0.3s ease;
}

.progress-item:hover {
    background: rgba(255, 215, 0, 0.05);
    border-color: rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
}

.progress-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.progress-icon {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

.progress-label {
    min-width: 120px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background-color: var(--background-light);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color) 0%, #ffed4e 100%);
    border-radius: 4px;
    transition: width 1.5s ease-in-out;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

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

.progress-percentage {
    min-width: 40px;
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* Charts */
.chart-section {
    margin: var(--spacing-md) 0;
}

.chart-container {
    display: flex;
    justify-content: space-between;
    align-items: end;
    height: 200px;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--background-light);
    border-radius: var(--radius);
    position: relative;
}

.chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(0deg, var(--background-light) 0%, rgba(26, 35, 126, 0.05) 100%);
    border-radius: var(--radius);
}

.chart-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    z-index: 2;
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: all 0.3s ease;
}

.chart-item:hover {
    background: rgba(255, 215, 0, 0.05);
    border-color: rgba(255, 215, 0, 0.2);
    transform: translateY(-5px);
}

.chart-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    animation: pulse 2s infinite;
}

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

.chart-bar {
    width: 40px;
    background: linear-gradient(180deg, var(--primary-color) 0%, #2d3f8f 100%);
    border-radius: 4px 4px 0 0;
    position: relative;
    transition: height 1s ease-in-out;
    animation: growUp 2s ease-out;
    box-shadow: 0 4px 8px rgba(26, 35, 126, 0.2);
}

.chart-bar:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(26, 35, 126, 0.3);
}

.chart-value {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0;
    animation: fadeInUp 0.5s ease-out 1s forwards;
}

.chart-label {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

@keyframes growUp {
    0% { height: 0%; }
    100% { height: var(--height); }
}

@keyframes fadeInUp {
    0% { 
        opacity: 0; 
        transform: translateX(-50%) translateY(10px); 
    }
    100% { 
        opacity: 1; 
        transform: translateX(-50%) translateY(0); 
    }
}

/* Image Placeholders */
.image-placeholder {
    margin: var(--spacing-md) 0;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    background: var(--background-light);
    transition: all 0.3s ease;
}

.image-placeholder:hover {
    border-color: var(--accent-color);
    background: rgba(255, 215, 0, 0.05);
    transform: translateY(-2px);
}

.placeholder-content {
    padding: var(--spacing-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.placeholder-icon {
    font-size: 3rem;
    opacity: 0.6;
    animation: float 3s ease-in-out infinite;
}

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

.placeholder-content p {
    margin: 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.placeholder-content small {
    color: var(--text-light);
    font-style: italic;
}

/* Investment Pattern Section */
.investment-pattern {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 100%);
    position: relative;
}

.investment-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(26, 35, 126, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.pattern-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    position: relative;
    z-index: 2;
}

.pattern-item {
    background: var(--background-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pattern-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.pattern-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.pattern-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3f8f 100%);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(26, 35, 126, 0.3);
}

.pattern-content h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.pattern-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.pattern-insight {
    margin-top: var(--spacing-xl);
    text-align: center;
    position: relative;
    z-index: 2;
}

.pattern-quote {
    background: var(--background-light);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: 0;
    position: relative;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.2);
}

.pattern-quote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--accent-color);
    font-family: serif;
    line-height: 1;
}

.pattern-quote p {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.5;
    position: relative;
    z-index: 2;
}

/* Enhanced Animations */
.sign-section {
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.overview-item {
    animation: fadeInScale 0.6s ease-out;
    animation-fill-mode: both;
}

.overview-item:nth-child(1) { animation-delay: 0.1s; }
.overview-item:nth-child(2) { animation-delay: 0.2s; }
.overview-item:nth-child(3) { animation-delay: 0.3s; }
.overview-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.pattern-item {
    animation: patternSlideIn 0.8s ease-out;
    animation-fill-mode: both;
}

.pattern-item:nth-child(1) { animation-delay: 0.1s; }
.pattern-item:nth-child(2) { animation-delay: 0.2s; }
.pattern-item:nth-child(3) { animation-delay: 0.3s; }
.pattern-item:nth-child(4) { animation-delay: 0.4s; }
.pattern-item:nth-child(5) { animation-delay: 0.5s; }
.pattern-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes patternSlideIn {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design for New Components */
@media (max-width: 768px) {
    .progress-item {
        padding: var(--spacing-xs);
    }
    
    .progress-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .progress-icon {
        font-size: 1rem;
    }
    
    .progress-label {
        min-width: auto;
        margin-bottom: 0;
    }
    
    .progress-bar {
        width: 100%;
    }
    
    .chart-icon {
        font-size: 1.2rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .chart-item {
        padding: var(--spacing-xs);
    }
    
    .chart-container {
        height: 150px;
        gap: var(--spacing-xs);
    }
    
    .chart-bar {
        width: 30px;
    }
    
    .chart-value {
        font-size: 0.7rem;
        top: -20px;
    }
    
    .placeholder-content {
        padding: var(--spacing-md);
    }
    
    .placeholder-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .chart-container {
        height: 120px;
    }
    
    .chart-bar {
        width: 25px;
    }
    
    .chart-value {
        font-size: 0.6rem;
        top: -18px;
    }
    
    .placeholder-icon {
        font-size: 2rem;
    }
    
    .pattern-timeline {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .pattern-item {
        padding: var(--spacing-md);
    }
    
    .pattern-content h3 {
        font-size: 1.1rem;
    }
    
    .pattern-content p {
        font-size: 0.9rem;
    }
    
    .pattern-quote {
        padding: var(--spacing-lg);
    }
    
    .pattern-quote p {
        font-size: 1rem;
    }
    
    .pattern-quote::before {
        font-size: 3rem;
        top: -8px;
        left: 15px;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    animation: modalFadeIn 0.3s ease-out;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal-content {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-header {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
}

.modal-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: #666666;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: #f5f5f5;
    color: var(--primary-color);
}

.modal-body {
    padding: var(--spacing-xl);
    background: #ffffff;
}

.modal-description {
    color: #333333;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    line-height: 1.6;
}

.modal-notice {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(26, 35, 126, 0.05) 100%);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.notice-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.notice-text {
    color: #333333;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    font-style: italic;
}

/* Form Styles */
.subscription-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-label {
    color: #333333;
    font-weight: 600;
    font-size: 1rem;
}

.form-input {
    padding: var(--spacing-md);
    border: 2px solid #e0e0e0;
    border-radius: var(--radius);
    background: #ffffff;
    color: #333333;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input::placeholder {
    color: #999999;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.form-input.error {
    border-color: #ff6b6b;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-error {
    color: #ff6b6b;
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form-error.show {
    display: block;
}

/* Checkbox Styles */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    transition: background-color 0.3s ease;
}

.checkbox-item:hover {
    background: rgba(255, 215, 0, 0.05);
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
    background: #ffffff;
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-text {
    color: #333333;
    font-size: 0.95rem;
    line-height: 1.4;
}

.notification-item {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05) 0%, rgba(26, 35, 126, 0.05) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

.required-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid #e0e0e0;
}

/* Success Modal */
.success-content {
    text-align: center;
    max-width: 500px;
    padding: var(--spacing-xl);
    background: #ffffff;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #ffed4e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--background-primary);
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.success-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.success-message {
    color: #333333;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

/* Animations */
@keyframes modalFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes modalSlideIn {
    0% {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsive Design for Modal */
@media (max-width: 768px) {
    .modal.show {
        padding: var(--spacing-sm);
    }
    
    .modal-content {
        max-height: 95vh;
    }
    
    .modal-header {
        padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .modal-body {
        padding: var(--spacing-lg);
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .success-content {
        padding: var(--spacing-lg);
    }
    
    .success-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .success-title {
        font-size: 1.5rem;
    }
    
    .modal-notice {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .notice-icon {
        margin-top: 0;
        margin-bottom: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .modal-title {
        font-size: 1.3rem;
    }
    
    .form-input {
        padding: var(--spacing-sm);
    }
    
    .checkbox-item {
        padding: var(--spacing-xs);
    }
}

/* Insights Section */
.insights-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.insights-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.insights-hero .hero-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.insights-hero .hero-subtitle {
    font-size: 1.2rem;
    color: white;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.insights-section {
    padding: var(--spacing-xl) 0;
    background: #f8f9fa;
}

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

.insight-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #e9ecef;
}

.insight-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.insight-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.insight-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease, background 0.3s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

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

.insight-card-category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: rgba(102, 126, 234, 0.9);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.insight-card-content {
    padding: var(--spacing-lg);
}

.insight-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.insight-card-summary {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.insight-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #6c757d;
}

.insight-card-date {
    font-weight: 500;
}

.insight-card-read-time {
    background: #f8f9fa;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
}

/* Loading and Error States */
.loading-state,
.error-state,
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-icon,
.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.error-state h3,
.empty-state h3 {
    color: #dc3545;
    margin-bottom: var(--spacing-sm);
}

.empty-state h3 {
    color: #6c757d;
}

/* Responsive Design for Insights */
@media (max-width: 768px) {
    .insights-hero .hero-title {
        font-size: 2rem;
    }
    
    .insights-hero .hero-subtitle {
        font-size: 1rem;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .insight-card-image {
        height: 160px;
    }
    
    .insight-card-content {
        padding: var(--spacing-md);
    }
    
    .insight-card-title {
        font-size: 1.1rem;
    }
    
    .insight-card-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .insights-hero {
        padding: var(--spacing-lg) 0;
    }
    
    .insights-hero .hero-title {
        font-size: 1.75rem;
    }
    
    .insights-section {
        padding: var(--spacing-lg) 0;
    }
    
    .insight-card-image {
        height: 140px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }