/* ===================================
   ABBAS MISTRAH - PORTFOLIO MODERN V2.0
   Design moderne et fonctionnel
   =================================== */

/* Variables CSS */
:root {
    /* Couleurs modernes */
    --primary: #667eea;
    --secondary: #f093fb;
    --accent: #4facfe;
    --success: #43e97b;
    
    /* Backgrounds */
    --bg-dark: #0f1419;
    --bg-surface: #1a202c;
    --bg-card: #2d3748;
    
    /* Texte */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    /* Effets */
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 40px rgba(102, 126, 234, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Espacements */
    --section-padding: 100px 0;
    --container-padding: 0 2rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background animé */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(240, 147, 251, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: -1;
}

@keyframes float {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(50px) translateY(-30px); }
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
    background: rgba(102, 126, 234, 0.1);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: bounce 2s ease-in-out infinite;
}

/* Nouveau badge avec figurine */
.hero-badge-with-figurine {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out;
}

.badge-content {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    animation: pulse 2s ease-in-out infinite;
}

.badge-figurine {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent), var(--success));
    padding: 4px;
    animation: rotate 20s linear infinite;
}

.badge-figurine img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

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

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

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

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

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

/* Boutons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-3px);
}

/* Profile */
.profile-container {
    position: relative;
    display: flex;
    justify-content: center;
}

.profile-main {
    width: 300px;
    height: 300px;
    position: relative;
}

.profile-main img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 4px solid var(--primary);
    box-shadow: 
        0 0 30px rgba(102, 126, 234, 0.3),
        0 0 0 20px rgba(102, 126, 234, 0.1);
}

.floating-element {
    position: absolute;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 15px;
    padding: 1rem;
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    animation: floatAround 8s ease-in-out infinite;
    backdrop-filter: blur(10px);
}

.floating-element:nth-child(1) {
    top: 0;
    right: 0;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    bottom: 100px;
    left: 0;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    top: 50px;
    left: -20px;
    background: linear-gradient(135deg, var(--accent), var(--success));
    animation-delay: 4s;
}

@keyframes floatAround {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-15px) rotate(2deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
    75% { transform: translateY(-20px) rotate(1deg); }
}

.decorative-figurine {
    position: absolute;
    top: -30px;
    right: -80px;
    width: 150px;
    height: 200px;
    opacity: 0.2;
    animation: floatFigurine 10s ease-in-out infinite;
}

@keyframes floatFigurine {
    0%, 100% { transform: translateY(0px) rotate(-5deg); }
    50% { transform: translateY(-25px) rotate(5deg); }
}

/* Sections */
section {
    padding: var(--section-padding);
    position: relative;
}

section:nth-child(even) {
    background: var(--bg-surface);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(102, 126, 234, 0.3);
}

.card:hover::before {
    transform: scaleX(1);
}

/* Skills */
.skill-card {
    text-align: center;
    height: 100%;
}

.skill-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: var(--transition);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

.tag {
    background: linear-gradient(135deg, var(--accent), var(--success));
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Certifications */
.cert-card {
    text-align: center;
    height: 100%;
}

.cert-image-container {
    width: 120px;
    height: 120px;
    margin: 0 auto 1rem;
    border-radius: 15px;
    overflow: hidden;
}

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

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

/* Placeholders pour certifications */
.cert-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto 1rem;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

.cert-card:hover .cert-placeholder {
    transform: scale(1.05);
    animation: none;
}

.cert-date {
    background: linear-gradient(135deg, var(--success), var(--accent));
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Formations */
.formation-card {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    height: 100%;
}

.formation-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, var(--bg-card), rgba(102, 126, 234, 0.05));
}

.formation-icon {
    font-size: 3rem;
    color: var(--primary);
    flex-shrink: 0;
}

.formation-school {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.formation-date {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.formation-date.current {
    background: linear-gradient(135deg, var(--success), var(--accent));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(67, 233, 123, 0.7); }
    50% { box-shadow: 0 0 0 15px rgba(67, 233, 123, 0); }
}

/* Projects */
.project-card {
    height: 100%;
    overflow: hidden;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.tech-tag {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Experience Timeline */
.experience-timeline {
    position: relative;
    padding-left: 2rem;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    border-radius: 2px;
}

.experience-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
}

.experience-item::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    border: 4px solid var(--bg-dark);
}

.experience-item.current::before {
    background: linear-gradient(135deg, var(--success), var(--accent));
    animation: pulse 2s ease-in-out infinite;
}

.experience-date {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.exp-tag {
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.exp-tag.ai {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.exp-tag.blockchain {
    background: linear-gradient(135deg, #ffd89b, #19547b);
}

.exp-tag.startup {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
}

.exp-tag.tech {
    background: linear-gradient(135deg, var(--accent), var(--success));
}

/* Events */
.event-card.featured {
    border: 2px solid var(--accent);
    background: linear-gradient(135deg, var(--bg-card), rgba(79, 172, 254, 0.05));
}

.event-gallery .main-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.gallery-thumbnails {
    display: flex;
    gap: 8px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    justify-content: center;
}

.gallery-thumbnails img {
    width: 50px;
    height: 35px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    opacity: 0.7;
}

.gallery-thumbnails img:hover,
.gallery-thumbnails img.active {
    opacity: 1;
    border-color: var(--primary);
}

.event-tag {
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.event-tag.startup {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
}

.event-tag.ai {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.event-tag.blockchain {
    background: linear-gradient(135deg, #ffd89b, #19547b);
}

.event-tag.tech {
    background: linear-gradient(135deg, var(--accent), var(--success));
}

.event-date {
    background: var(--bg-surface);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.photo-count {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.event-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-top: 1rem;
}

/* Contact */
.contact-grid {
    gap: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 15px;
    transition: var(--transition);
}

.contact-method:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(10px);
}

.contact-method strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.2rem;
}

.contact-method a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.contact-method a:hover {
    color: var(--primary);
}

/* Form */
.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-muted);
    transition: var(--transition);
    pointer-events: none;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

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

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navigation mobile */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .formation-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
        --container-padding: 0 1rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 20, 25, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        transition: var(--transition);
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .floating-element {
        display: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}