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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
    color: #ffffff;
    min-height: 100vh;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Animations - Black & White */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.star {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: twinkle infinite, drift infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

@keyframes drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-50px, -30px); }
}

.nebulas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.nebula {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: nebulaDrift infinite linear;
}

@keyframes nebulaDrift {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 30px) scale(1.1); }
    100% { transform: translate(0, 0) scale(1); }
}

.planets {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.planet-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: 0 0;
    animation: planetOrbit infinite linear;
}

.planet {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(200, 200, 200, 0.05));
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.1), inset -10px -10px 30px rgba(0, 0, 0, 0.5);
    animation: planetSpin infinite linear;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.planet-ring {
    position: absolute;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.1);
    transform: rotateX(70deg);
}

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

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

.shooting-stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.shooting-star {
    position: absolute;
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), transparent);
    animation: shoot linear;
}

@keyframes shoot {
    0% {
        transform: translateX(0) translateY(0) rotate(-45deg);
        opacity: 1;
    }
    70% {
        opacity: 1;
    }
    100% {
        transform: translateX(500px) translateY(500px) rotate(-45deg);
        opacity: 0;
    }
}

.equations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.equation {
    position: absolute;
    color: rgba(255, 255, 255, 0.08);
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
    font-weight: bold;
    animation: floatEquation infinite linear;
    white-space: nowrap;
}

@keyframes floatEquation {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(5deg);
        opacity: 0;
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Hamburger Menu Styles */
.menu-btn {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 1000;
    cursor: pointer;
    width: 40px;
    height: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.menu-btn span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #ffffff;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.menu-overlay a {
    color: #fff;
    font-size: 2.5rem;
    margin: 15px 0;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    transition: color 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    font-weight: 300;
}

.menu-overlay a:hover {
    color: #888;
}

.menu-overlay a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #fff;
    transition: width 0.3s ease;
}

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

.menu-btn.active span:nth-child(1) {
    transform: translateY(13.5px) rotate(45deg);
}

.menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.menu-btn.active span:nth-child(3) {
    transform: translateY(-13.5px) rotate(-45deg);
}

/* Header Section - Glass Morphism */
.header {
    text-align: center;
    padding: 60px 30px;
    margin-bottom: 40px;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.header h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: -1px;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #ffffff, #888888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Custom header styling for black and white theme */
.header-title-container {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 2px;
    line-height: 1.2;
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    margin-bottom: 15px;
}

.header-title-white {
    color: #ffffff;
}

.header-title-gray {
    color: #585858;
}

.subtitle {
    font-size: 1.2rem;
    color: #888;
    margin-bottom: 20px;
    font-weight: 400;
}

.universal-set-indicator {
    display: inline-block;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.universal-set-indicator:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.12);
}

/* Main Display Area - Glass Morphism */
.main-display {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
}

.canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

#mainCanvas {
    display: block;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.05);
}

/* Chronological Timeline Section - Glass Morphism */
.chronological-timeline {
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.03);
    padding: 35px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.chronological-timeline h2 {
    margin-bottom: 25px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.timeline-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.timeline-section {
    background: rgba(0, 0, 0, 0.3);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.timeline-section:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    background: rgba(0, 0, 0, 0.4);
}

.timeline-section h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #888;
    font-weight: 400;
}

.past-images {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 100px;
}

.past-thumbnail {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 10px;
}

.past-thumbnail canvas {
    display: block;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-placeholder {
    color: #555;
    text-align: center;
    padding: 20px;
    font-style: italic;
}

.present-indicator {
    text-align: center;
}

.present-label {
    margin-bottom: 10px;
    color: #fff;
    font-weight: 500;
    animation: pulse 2s infinite;
}

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

.present-preview {
    display: block;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    margin: 0 auto;
}

.future-preview {
    text-align: center;
}

.future-gradient {
    height: 60px;
    background: linear-gradient(90deg, 
        rgba(0, 0, 0, 0.3), 
        rgba(50, 50, 50, 0.3), 
        rgba(100, 100, 100, 0.3), 
        rgba(150, 150, 150, 0.3), 
        rgba(200, 200, 200, 0.3), 
        rgba(255, 255, 255, 0.3)
    );
    border-radius: 8px;
    margin-bottom: 10px;
    animation: shimmer 3s infinite;
}

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

.future-info {
    color: #666;
    font-size: 0.9rem;
}

/* Scrolling Timeline Section - Glass Morphism */
.scrolling-timeline {
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.03);
    padding: 35px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.scrolling-timeline h2 {
    margin-bottom: 25px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.scrolling-container {
    width: 100%;
    overflow: hidden;
    padding: 20px 0;
    height: auto;
    min-height: 150px;
}

.scrolling-track {
    display: flex;
    align-items: center;
    justify-content: center;/* <!-- this was added to fix image stream images left alignment --> */
    gap: 20px;
    transition: transform 0.3s ease;
    will-change: transform;
    padding: 0;
    height: auto;
}

.scroll-image {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    width: auto;
    height: auto;
    margin: 0;
}

.scroll-image canvas {
    display: block;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 64px;
    height: 64px;
}

.scroll-image.current {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.scroll-index {
    margin-top: 8px;
    font-size: 0.75rem;
    color: #666;
    font-family: 'SF Mono', 'Monaco', monospace;
    text-align: center;
    word-break: break-all;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Grayscale Color Legend Section - Glass Morphism */
.color-legend {
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.03);
    padding: 35px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.color-legend h2 {
    margin-bottom: 25px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.color-legend p {
    color: #888;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 400;
}

.legend-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.legend-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.legend-item div:first-child {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 8px;
}

.legend-item span {
    font-size: 0.8rem;
    color: #888;
}

/* Grayscale swatch colors */
.grayscale-0 { background: rgb(0, 0, 0); }
.grayscale-1 { background: rgb(36, 36, 36); }
.grayscale-2 { background: rgb(73, 73, 73); }
.grayscale-3 { background: rgb(109, 109, 109); }
.grayscale-4 { background: rgb(146, 146, 146); }
.grayscale-5 { background: rgb(182, 182, 182); }
.grayscale-6 { background: rgb(219, 219, 219); }
.grayscale-7 { background: rgb(255, 255, 255); }

/* Statistics Dashboard Section - Glass Morphism */
.statistics-dashboard {
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.03);
    padding: 35px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.statistics-dashboard h2 {
    margin-bottom: 25px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.stats-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.progress-section {
    margin-bottom: 20px;
}

.progress-bar-container {
    width: 100%;
    height: 35px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #000, #333, #666, #999, #ccc, #fff);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.progress-text {
    text-align: center;
    margin-top: 10px;
    font-size: 1.2rem;
    font-weight: 500;
    color: #fff;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    padding: 18px 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.stat-label {
    color: #888;
    font-size: 0.95rem;
    font-weight: 400;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 500;
    color: #fff;
}

.stat-total {
    color: #666;
    font-size: 0.9rem;
}

/* Technical Details Panel - Glass Morphism */
.technical-details {
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.03);
    padding: 35px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.technical-details h2 {
    margin-bottom: 25px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.tech-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.tech-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    padding: 15px 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.tech-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.tech-label {
    color: #888;
    font-size: 0.9rem;
    font-weight: 400;
}

.tech-value {
    font-weight: 500;
    color: #fff;
}

/* Controls Section - Apple Style */
.controls {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
}

.button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.start-button,
.pause-button,
.reset-button {
    padding: 18px 50px;
    font-size: 1.1rem;
    font-weight: 500;
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: none;
    letter-spacing: 0.5px;
    min-width: 170px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.start-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.start-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.pause-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.pause-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.reset-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.reset-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.start-button:active,
.pause-button:active,
.reset-button:active {
    transform: translateY(0);
}

.start-button:disabled,
.pause-button:disabled {
    background: rgba(255, 255, 255, 0.05);
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.5;
}

/* Completion Message - Glass Morphism */
.completion-message {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    text-align: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.completion-content h2 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: -1px;
}

.completion-content p {
    color: #aaa;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.completion-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.completion-stat {
    background: rgba(0, 0, 0, 0.3);
    padding: 20px 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.completion-stat:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.completion-label {
    display: block;
    color: #888;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.completion-value {
    display: block;
    color: #fff;
    font-size: 1.5rem;
    font-weight: 500;
}

/* Utility classes */
.hidden {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .header {
        padding: 40px 20px;
    }
    
    .timeline-container {
        grid-template-columns: 1fr;
    }
    
    .legend-container {
        flex-direction: column;
        align-items: center;
    }
    
    .completion-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .start-button,
    .pause-button,
    .reset-button {
        padding: 15px 35px;
        min-width: 140px;
        font-size: 1rem;
    }
}

/* Smooth transitions */
.chronological-timeline,
.scrolling-timeline,
.color-legend,
.statistics-dashboard,
.technical-details {
    transition: all 0.3s ease;
}

.chronological-timeline:hover,
.scrolling-timeline:hover,
.color-legend:hover,
.statistics-dashboard:hover,
.technical-details:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}