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

:root {
    --primary-color: #00d4ff;
    --secondary-color: #7c3aed;
    --bg-dark: #0a0e27;
    --bg-darker: #050810;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    --card-bg: #1a1f3a;
    --border-color: #2d3748;
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
}

body {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    top: -250px;
    right: -250px;
    animation: pulse 4s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    bottom: -200px;
    left: -200px;
    animation: pulse 5s ease-in-out infinite reverse;
}

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

.hero-content {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    z-index: 1;
    position: relative;
}

.hero-comic-layout {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
    justify-items: center;
    min-height: 80vh;
    position: relative;
}

/* Portrait à gauche */
.hero-portrait {
    position: relative;
    z-index: 2;
}

.portrait-image {
    max-width: 400px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 212, 255, 0.3));
    animation: float 3s ease-in-out infinite;
}

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

.hero-decorative-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.decorative-elements {
    width: 100%;
    height: auto;
    opacity: 0.8;
    animation: rotate 20s linear infinite;
}

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

/* Centre avec terminal et texte */
.hero-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    z-index: 2;
    text-align: center;
}

.hero-terminal-wrapper {
    position: relative;
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
}

.terminal-box {
    width: 150%;
    height: auto;
    filter: drop-shadow(0 5px 20px rgba(0, 212, 255, 0.4));
    display: block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.terminal-overlay {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.terminal-header-overlay {
    display: flex;
    align-items: center;
    gap: 1px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    flex: 0 0 auto;
    padding-top: 20%;
    padding-left: 15.5%;
    padding-right: 15.5%;
    padding-bottom: 0%;
    height: auto;
}

.terminal-dot {
    width: 2.5px;
    height: 2.5px;
    border-radius: 50%;
    flex-shrink: 0;
}

.terminal-dot:nth-child(1) { 
    background: var(--accent-red); 
}

.terminal-dot:nth-child(2) { 
    background: var(--accent-yellow); 
}

.terminal-dot:nth-child(3) { 
    background: var(--accent-green); 
}

.terminal-title {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.35rem;
    font-weight: 500;
}

.terminal-body-overlay {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 10px 15px;
    padding-left: 20%;
    padding-right: 4%;
    padding-top: 0%;
    padding-bottom: 8%;
    margin-top: -6%;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
}

.terminal-line {
    display: flex;
    align-items: center;
    font-size: 1.7rem;
    color: var(--text-primary);
    width: 100%;
}

.prompt {
    color: var(--accent-green);
    margin-right: 8px;
    font-weight: 600;
    font-size: 1.7rem;
}

.command {
    color: var(--text-primary);
    font-size: 1.7rem;
}

.cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--primary-color);
    margin-left: 4px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-title-wrapper {
    max-width: 800px;
    width: 100%;
    margin: 1rem 0;
}

.title-image {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 5px 15px rgba(124, 58, 237, 0.5));
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 5px 15px rgba(124, 58, 237, 0.5)); }
    to { filter: drop-shadow(0 5px 25px rgba(124, 58, 237, 0.8)); }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    margin-top: 1rem;
}

/* Indicateur d'activité à droite */
.hero-activity-indicator {
    position: relative;
    z-index: 2;
}

.activity-indicator {
    max-width: 200px;
    width: 100%;
    height: auto;
    animation: pulse-scale 2s ease-in-out infinite;
    filter: drop-shadow(0 5px 15px rgba(0, 212, 255, 0.4));
}

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

/* Ancien code terminal (gardé pour compatibilité) */
.code-terminal {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-glow);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.terminal-header {
    background: #1e1e1e;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #555;
}

.terminal-dot:nth-child(1) { background: var(--accent-red); }
.terminal-dot:nth-child(2) { background: var(--accent-yellow); }
.terminal-dot:nth-child(3) { background: var(--accent-green); }

.terminal-title {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.terminal-body {
    padding: 20px;
    background: #0d1117;
    min-height: 80px;
}

/* Terminal styles moved to terminal-overlay section */

/* Styles pour le titre si on utilise du texte au lieu d'image */
.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

/* Sections */
.section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s;
}

.skill-card:hover::before {
    left: 100%;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-level {
    height: 8px;
    background: var(--bg-darker);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.skill-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    width: 0;
    transition: width 1s ease;
    position: relative;
}

.skill-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    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%); }
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Demos Section */
.demos-section {
    background: var(--bg-darker);
}

.demo-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.demo-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.demo-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.demo-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.demo-container {
    margin-top: 1.5rem;
}

/* Algorithm Visualizer */
.algorithm-explanation {
    background: var(--bg-darker);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.algorithm-explanation p {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.algorithm-explanation ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.algorithm-explanation li {
    margin-bottom: 0.5rem;
}

.algorithm-explanation strong {
    color: var(--primary-color);
}

.complexity {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.5rem;
}

.algorithm-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-left: auto;
}

.speed-control input[type="range"] {
    width: 100px;
}

.speed-control span {
    min-width: 50px;
    color: var(--primary-color);
    font-weight: 600;
}

.algorithm-status {
    background: var(--bg-darker);
    padding: 12px 20px;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    min-height: 20px;
}

.status-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

.status-text.active {
    color: var(--primary-color);
    font-weight: 600;
    font-style: normal;
}

.btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.4);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green), var(--primary-color));
}

.array-visualizer {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
    height: 300px;
    padding: 20px;
    background: var(--bg-darker);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.array-bar {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px 4px 0 0;
    transition: all 0.1s ease;
    min-width: 8px;
}

.array-bar.active {
    background: var(--accent-yellow);
    box-shadow: 0 0 10px var(--accent-yellow);
}

.array-bar.sorted {
    background: var(--accent-green);
}

.array-bar.pivot {
    background: var(--accent-yellow);
    box-shadow: 0 0 15px var(--accent-yellow);
    border: 2px solid var(--accent-yellow);
}

.array-bar.swapping {
    background: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red);
}

.algorithm-legend {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: inline-block;
}

.pivot-color {
    background: var(--accent-yellow);
    box-shadow: 0 0 5px var(--accent-yellow);
}

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

.sorted-color {
    background: var(--accent-green);
}

.default-color {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.algorithm-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.stat-item {
    background: var(--bg-darker);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

/* 3D Visualization System */
.visualization-mode-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.mode-btn {
    padding: 10px 20px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 150px;
}

.mode-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.mode-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    color: var(--text-primary);
    font-weight: 600;
}

.visualization-container {
    width: 100%;
    height: 500px;
    background: var(--bg-darker);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

.viewer-3d {
    width: 100%;
    height: 100%;
    position: relative;
}

.viewer-3d canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

#particle-canvas {
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    display: block;
    cursor: crosshair;
}

.visualization-info {
    background: var(--bg-darker);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-color);
}

.visualization-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.visualization-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.visualization-controls {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
    padding: 1rem;
    background: var(--bg-darker);
    border-radius: 8px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.control-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group select {
    padding: 8px 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

.control-group select:hover {
    border-color: var(--primary-color);
}

.control-group input[type="range"] {
    width: 100px;
}

.control-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.control-group span {
    min-width: 50px;
    color: var(--primary-color);
    font-weight: 600;
}


/* Chart Visualization */
.chart-container {
    background: var(--bg-darker);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 1rem;
}

#chart-svg {
    width: 100%;
    height: 300px;
}

.chart-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.chart-controls select {
    padding: 10px 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    outline: none;
}

.chart-controls select:hover {
    border-color: var(--primary-color);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-icon {
    font-size: 2rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--secondary-color);
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 1rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
}

.contact-form textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-comic-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-portrait {
        order: 1;
    }
    
    .hero-center {
        order: 2;
    }
    
    .hero-activity-indicator {
        order: 3;
    }
    
    .portrait-image {
        max-width: 300px;
    }
    
    .hero-terminal-wrapper {
        max-width: 100%;
    }
    
    .terminal-body-overlay {
        padding: 8px 12px;
        padding-left: 4%;
        padding-right: 4%;
    }
    
    .terminal-line {
        font-size: 0.75rem;
    }
    
    .terminal-title {
        font-size: 0.65rem;
    }
    
    .terminal-dot {
        width: 6px;
        height: 6px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .code-editor-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}