/* ================================
   PALETTE DE COULEURS MODERNE
   Style cyberpunk avec gradients
   ================================ */

:root {
    /* Couleurs principales - Gradient moderne */
    --primary-dark: #0a0e27;
    --secondary-dark: #16213e;
    --accent-purple: #9d4edd;
    --accent-cyan: #00d9ff;
    --accent-pink: #ff006e;
    --accent-orange: #ff9e00;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #00d9ff 0%, #9d4edd 50%, #ff006e 100%);
    --gradient-hero: linear-gradient(135deg, #0a0e27 0%, #16213e 50%, #1a1a2e 100%);
    --gradient-card: linear-gradient(145deg, rgba(22, 33, 62, 0.8), rgba(10, 14, 39, 0.9));
    
    /* Néon effects */
    --neon-cyan: 0 0 20px rgba(0, 217, 255, 0.5);
    --neon-purple: 0 0 20px rgba(157, 74, 221, 0.5);
    --neon-pink: 0 0 20px rgba(255, 0, 110, 0.5);
}

/* ================================
   GLOBAL STYLES
   ================================ */

body {
    background: var(--primary-dark) !important;
    color: #e0e0e0 !important;
}

/* ================================
   NAVIGATION
   ================================ */

.navbar {
    background: rgba(10, 14, 39, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(0, 217, 255, 0.2) !important;
}

.nav-logo a {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-link {
    color: #e0e0e0 !important;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.nav-link:hover {
    color: var(--accent-cyan) !important;
    text-shadow: var(--neon-cyan);
}

/* ================================
   HERO SECTION
   ================================ */

.hero {
    background: var(--gradient-hero) !important;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(157, 74, 221, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-title .highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(20deg); }
}

.hero-subtitle {
    color: #b8b8b8 !important;
}

/* Boutons modernes */
.btn-primary {
    background: var(--gradient-primary) !important;
    border: none !important;
    color: white !important;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4) !important;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.6) !important;
}

.btn-secondary {
    background: transparent !important;
    border: 2px solid var(--accent-cyan) !important;
    color: var(--accent-cyan) !important;
    box-shadow: var(--neon-cyan) !important;
}

.btn-secondary:hover {
    background: var(--accent-cyan) !important;
    color: var(--primary-dark) !important;
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.6) !important;
    transform: translateY(-3px);
}

/* Avatar avec effet néon */
.hero-avatar {
    border: 3px solid transparent;
    background: var(--gradient-accent);
    background-clip: padding-box;
    box-shadow: 
        0 0 40px rgba(157, 74, 221, 0.4),
        0 0 80px rgba(0, 217, 255, 0.3),
        inset 0 0 20px rgba(255, 255, 255, 0.1);
    animation: pulseGlow 3s ease infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 
            0 0 40px rgba(157, 74, 221, 0.4),
            0 0 80px rgba(0, 217, 255, 0.3),
            inset 0 0 20px rgba(255, 255, 255, 0.1);
    }
    50% {
        box-shadow: 
            0 0 60px rgba(157, 74, 221, 0.6),
            0 0 100px rgba(0, 217, 255, 0.5),
            inset 0 0 30px rgba(255, 255, 255, 0.15);
    }
}

.orbit-circle {
    border: 2px solid var(--accent-cyan);
    box-shadow: var(--neon-cyan);
}

.orbit-circle.orbit-2 {
    border-color: var(--accent-purple);
    box-shadow: var(--neon-purple);
}

.orbit-circle.orbit-3 {
    border-color: var(--accent-pink);
    box-shadow: var(--neon-pink);
}

/* ================================
   SECTIONS
   ================================ */

.section-title {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-line {
    background: var(--gradient-accent);
}

/* ================================
   ABOUT SECTION
   ================================ */

.about {
    background: var(--secondary-dark) !important;
}

.stat-item {
    background: var(--gradient-card) !important;
    border: 1px solid rgba(0, 217, 255, 0.2) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
}

.stat-item:hover {
    border-color: var(--accent-cyan) !important;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        var(--neon-cyan) !important;
    transform: translateY(-10px);
}

.stat-icon {
    background: var(--gradient-primary);
    box-shadow: var(--neon-purple);
}

.stat-progress-bar {
    background: var(--gradient-accent) !important;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

/* Timeline */
.timeline-item {
    background: var(--gradient-card) !important;
    border: 1px solid rgba(0, 217, 255, 0.2) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

.timeline-item:hover {
    border-color: var(--accent-purple) !important;
    box-shadow: 
        0 8px 30px rgba(0, 0, 0, 0.4),
        var(--neon-purple) !important;
}

.timeline-icon {
    background: var(--gradient-primary) !important;
    box-shadow: var(--neon-purple) !important;
}

.timeline::before {
    background: var(--gradient-accent) !important;
}

.tag {
    background: rgba(157, 74, 221, 0.2) !important;
    border: 1px solid var(--accent-purple) !important;
    color: var(--accent-cyan) !important;
}

/* ================================
   SKILLS SECTION
   ================================ */

.skills {
    background: var(--primary-dark) !important;
}

.skill-category {
    background: var(--gradient-card) !important;
    border: 1px solid rgba(0, 217, 255, 0.2) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-category:hover {
    background: linear-gradient(145deg, rgba(0, 217, 255, 0.1), rgba(157, 74, 221, 0.1)) !important;
    border-color: var(--accent-cyan) !important;
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.5),
        var(--neon-cyan) !important;
    transform: translateY(-10px) scale(1.02);
}

.skill-category h3 {
    color: var(--accent-cyan) !important;
    text-shadow: var(--neon-cyan);
}

.skill-category:hover h3 {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-item {
    color: #d0d0d0 !important;
    transition: all 0.3s ease;
}

.skill-item:hover {
    color: var(--accent-cyan) !important;
    text-shadow: var(--neon-cyan);
    transform: translateX(10px);
}

.skill-item i {
    color: var(--accent-purple) !important;
    text-shadow: var(--neon-purple);
}

/* ================================
   PROJECTS SECTION
   ================================ */

.projects {
    background: var(--secondary-dark) !important;
}

.project-card {
    background: var(--gradient-card) !important;
    border: 1px solid rgba(0, 217, 255, 0.2) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
}

.project-card:hover {
    border-color: var(--accent-purple) !important;
    box-shadow: 
        0 12px 48px rgba(0, 0, 0, 0.5),
        var(--neon-purple) !important;
    transform: translateY(-15px);
}

.project-card::before {
    background: conic-gradient(
        transparent,
        var(--accent-cyan),
        transparent 30%
    ) !important;
}

.project-title a {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-tag {
    background: rgba(157, 74, 221, 0.2) !important;
    border: 1px solid var(--accent-purple) !important;
    color: var(--accent-cyan) !important;
}

.tech-tag:hover {
    background: var(--accent-purple) !important;
    color: white !important;
    box-shadow: var(--neon-purple);
}

.project-link {
    background: var(--gradient-primary) !important;
    box-shadow: var(--neon-purple);
}

.project-link:hover {
    background: var(--accent-cyan) !important;
    box-shadow: var(--neon-cyan) !important;
}

/* ================================
   CONTACT SECTION
   ================================ */

.contact {
    background: var(--primary-dark) !important;
}

.contact-info {
    background: var(--gradient-card) !important;
    border: 1px solid rgba(0, 217, 255, 0.2) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
}

.social-link {
    background: var(--gradient-primary) !important;
    box-shadow: var(--neon-purple);
}

.social-link:hover {
    background: var(--accent-cyan) !important;
    box-shadow: var(--neon-cyan) !important;
    transform: translateY(-5px) rotate(360deg);
}

/* Formulaire */
.form-group input,
.form-group textarea {
    background: rgba(22, 33, 62, 0.5) !important;
    border: 1px solid rgba(0, 217, 255, 0.3) !important;
    color: #e0e0e0 !important;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-cyan) !important;
    box-shadow: var(--neon-cyan) !important;
}

.form-group label {
    color: #b8b8b8 !important;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    color: var(--accent-cyan) !important;
}

/* ================================
   FOOTER
   ================================ */

.footer {
    background: rgba(10, 14, 39, 0.95) !important;
    border-top: 1px solid rgba(0, 217, 255, 0.2) !important;
}

/* ================================
   SCROLL EFFECTS
   ================================ */

.scroll-indicator .mouse {
    border: 2px solid var(--accent-cyan);
    box-shadow: var(--neon-cyan);
}

.scroll-indicator .mouse::before {
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
}

/* ================================
   CANVAS EFFECTS
   ================================ */

#particles-canvas,
#matrix-canvas {
    opacity: 0.4;
}

/* ================================
   ANIMATIONS ADDITIONNELLES
   ================================ */

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
        filter: hue-rotate(0deg);
    }
    50% { 
        transform: translateY(-20px) rotate(5deg);
        filter: hue-rotate(10deg);
    }
}

/* Effet de particules sur les cartes */
.project-card::after,
.skill-category::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(0, 217, 255, 0.1) 0%, 
                transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.project-card:hover::after,
.skill-category:hover::after {
    opacity: 1;
}

/* Amélioration du glitch effect */
.glitch {
    position: relative;
    animation: glitch-effect 5s infinite;
}

@keyframes glitch-effect {
    0%, 90%, 100% {
        text-shadow: none;
    }
    91% {
        text-shadow: 
            2px 0 var(--accent-cyan),
            -2px 0 var(--accent-pink);
    }
    93% {
        text-shadow: 
            -2px 0 var(--accent-cyan),
            2px 0 var(--accent-pink);
    }
    95% {
        text-shadow: none;
    }
}