:root {
    /* Couleurs mode clair */
    --primary-color: #1e3a8a;
    --design-color: #10b981;
    --dev-color: #8b5cf6;
    --accent-color: #f59e0b;
    --background-primary: #ffffff;
    --background-secondary: #f8fafc;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);

    /* Variables de design */
    --border-radius: 12px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --font-family-primary: 'Lato', sans-serif;
    --font-family-heading: 'Montserrat', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-quick: all 0.2s ease;
}

[data-theme="dark"] {
    --primary-color: #3b82f6;
    --design-color: #34d399;
    --dev-color: #a78bfa;
    --accent-color: #fbbf24;
    --background-primary: #0f172a;
    --background-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --shadow-light: rgba(255, 255, 255, 0.05);
    --shadow-medium: rgba(255, 255, 255, 0.1);
}

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

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

/* Barre de progression de lecture */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--design-color), var(--dev-color));
    z-index: 1001;
    transition: width 0.3s ease;
}

/* Header principal */
.hero-section {
    background: linear-gradient(135deg, var(--design-color), var(--dev-color));
    color: white;
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(45deg, #fff, #f0f0f0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--design-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
    overflow: hidden;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

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

.hero-title {
    font-family: var(--font-family-heading), sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(45deg, #fff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

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

.experience-badge {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}


.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: white;
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Navigation sticky - FIX z-index */
.nav-section {
    position: sticky;
    top: 0;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: var(--transition-smooth);
}

[data-theme="dark"] .nav-section {
    background: rgba(15, 23, 42, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-quick);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--background-secondary);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

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

/* Toggle langue */
.lang-toggle {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    font-weight: 500;
}

.lang-toggle:hover {
    background: var(--primary-color);
}

/* Toggle theme */
.theme-toggle {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    padding: var(--spacing-xs);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
}

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

/* Sections */
.section {
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

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

.section-title {
    font-family: var(--font-family-heading);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title::after {
    content: '';
    flex: 1;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    border-radius: 2px;
}

.section-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--design-color), var(--dev-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

/* Section À propos */
.about-content {
    background: var(--background-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px var(--shadow-light);
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Section Expérience avec accordéons */
.experience-item {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.experience-summary {
    padding: var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--background-secondary);
    transition: var(--transition-quick);
}

.experience-summary:hover {
    background: var(--background-primary);
}

.experience-header {
    flex: 1;
}

.highlight {
    background: linear-gradient(120deg, #061e63 0%, #0a1d43 100%);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-weight: 600;
}

.details-list {
    margin: 0;
    padding-left: 1.2rem;
    list-style: none;
}

.details-list li {
    position: relative;
    padding-left: 1rem;
    line-height: 1.6;
}

.details-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #3b82f6; /* ou ta couleur d'accent */
    font-weight: bold;
}

.details-list li:last-child {
    margin-bottom: 0;
}

.experience-title {
    font-family: var(--font-family-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.experience-subtitle {
    font-family: var(--font-family-heading);
    font-size: .9rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.experience-company {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.experience-period {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.experience-type {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-left: var(--spacing-xs);
}

.experience-type.design {
    background: rgba(16, 185, 129, 0.1);
    color: var(--design-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.experience-type.dev {
    background: rgba(139, 92, 246, 0.1);
    color: var(--dev-color);
    border: 1px solid rgba(139, 92, 246, 0.3);
}



.expand-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition-quick);
}

.flag-icon {
    height: 15px;
    display: block;
}

.experience-item[open] .expand-icon {
    transform: rotate(180deg);
}

.experience-details {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    background: var(--background-primary);
    border-top: 1px solid var(--border-color);
}

.experience-description {
    color: var(--text-secondary);
    margin: var(--spacing-md);
    line-height: 1.7;
}

/* Styles pour les achievements transformés */
.experience-achievement {
    margin-bottom: .5rem;
    /*border: 1px solid var(--border-color);*/
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-smooth);
    background: var(--background-secondary);
}

.experience-achievement:hover {
    box-shadow: 0 2px 8px var(--shadow-light);
}

.achievement-summary {
    padding: var(--spacing-xs);
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: var(--background-primary);
    transition: var(--transition-quick);
    list-style: none;
}

.achievement-summary:hover {
    background: var(--background-primary);
}

.achievement-icon {
    color: var(--design-color);
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 2px;
    min-width: 20px;
}

.achievement-content {
    flex: 1;
}

.achievement-title {
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
}

.achievement-expand {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-left: auto;
    transition: var(--transition-quick);
}

.experience-achievement[open] .achievement-expand {
    transform: rotate(180deg);
}

.achievement-details {
    padding: var(--spacing-sm);
    background: var(--background-primary);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Masquer les puces des listes transformées */
.experience-achievements details {
    list-style: none;
}

.experience-achievements summary {
    list-style: none;
}

.experience-achievements summary::-webkit-details-marker {
    display: none;
}

.experience-achievements li:not(.transformed) {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

.achievement-tags {
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

/* Tags pour technologies */
.tech-tag {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    margin: 0 2px;
    border: 1px solid;
}

.tech-tag.design-tool {
    background: rgba(16, 185, 129, 0.1);
    color: var(--design-color);
    border-color: rgba(16, 185, 129, 0.3);
}



.tech-tag.backend {
    background: rgba(139, 92, 246, 0.1);
    color: var(--dev-color);
    border-color: rgba(139, 92, 246, 0.3);
}

.tech-tag.frontend {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border-color: rgba(59, 130, 246, 0.3);
}

.tech-tag.api {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-color);
    border-color: rgba(245, 158, 11, 0.3);
}

.tech-tag.project {
    background: rgba(246, 139, 139, 0.1);
    color: #f68b8b;
    border-color: rgba(246, 139, 139, 0.3);
}

.tech-tag.cloud {
    background: rgba(16, 185, 129, 0.1);
    color: var(--dev-color);
    border-color: rgba(16, 185, 129, 0.3);
}

.tech-tag.analytics {
    background: rgba(255, 110, 28, 0.1);
    color: #ff6e1c;
    border-color: rgba(255, 110, 28, 0.3);
}

.tech-tag.devops {
    background: rgba(0, 0, 0, 0.5);
    color: #c7c7c7;
    border-color: rgba(199, 199, 199, 0.3);
}

.tech-tag.monitoring {
    background: rgba(255, 110, 110, 0.1);
    color: #ff6e6e;
    border-color: rgba(255, 110, 110, 0.3);
}

/* Section Formation */
.education-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.education-card {
    background: var(--background-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--design-color), var(--dev-color));
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-medium);
}

.education-degree {
    font-family: var(--font-family-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    text-decoration: none;
}

.education-school {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.education-year {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Section Compétences avec code couleur */
.skills-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.skill-category {
    background: var(--background-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.skill-category.design::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--design-color);
}

.skill-category.dev::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--dev-color);
}

.skill-category-title {
    font-family: var(--font-family-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.skill-category-title.design {
    color: var(--design-color);
}

.skill-category-title.dev {
    color: var(--dev-color);
}

.skill-item {
    margin-bottom: var(--spacing-md);
}

.skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

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

.skill-progress {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.skill-progress-fill.design {
    background: linear-gradient(90deg, var(--design-color), #a78bfa);
}

.skill-progress-fill.dev {
    background: linear-gradient(90deg, var(--dev-color), #34d399);
}

.skill-progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 1s ease-in-out;
    transform-origin: left;
}

/* Section Contact */
.contact-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.contact-card {
    background: var(--background-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition-smooth);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-medium);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--design-color), var(--dev-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.5rem;
}

.contact-title {
    font-family: var(--font-family-heading);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.contact-info {
    color: var(--text-secondary);
}

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

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

/* Footer */
.footer {
    background: var(--background-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-secondary);
    margin-top: var(--spacing-xl);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-container {
        justify-content: space-between;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .hero-section {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .main-container {
        padding: var(--spacing-md);
    }

    .section-title {
        font-size: 1.8rem;
    }

    .hero-experience {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 479px) {
    .main-container {
        padding: var(--spacing-xs);
    }

    .experience-details {
        padding: var(--spacing-xs);
    }
}


/* Préférences de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Animations d'entrée séquentielles */
.section:nth-child(1) { animation-delay: 0.1s; }
.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.3s; }
.section:nth-child(4) { animation-delay: 0.4s; }
.section:nth-child(5) { animation-delay: 0.5s; }

/* Styles pour textes cachés (traduction) */
[data-lang]:not([data-lang="fr"]) {
    display: none;
}

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

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

[data-current-lang="en"] .nav-link[data-lang="en"],
[data-current-lang="en"] .section-title[data-lang="en"] {
    display: flex;
}

/* Animation hint pour les achievements */
.experience-achievement.hint-highlight {
    position: relative;
    animation: hintBounce 2.5s ease-in-out;
}

.experience-achievement.hint-highlight::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 12px;
    opacity: 0;
    animation: hintGlow 2.5s ease-in-out;
    z-index: -1;
    pointer-events: none;
}

.experience-achievement.hint-highlight .achievement-summary {
    animation: hintPulse 2.5s ease-in-out;
    cursor: pointer;
}

.experience-achievement.hint-highlight .achievement-expand {
    animation: hintChevronBounce 2.5s ease-in-out;
}

/* Animations keyframes */
@keyframes hintGlow {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    25%, 75% {
        opacity: 1;
        transform: scale(1.05);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.02);
    }
}

@keyframes hintPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: none;
    }
    25%, 75% {
        transform: scale(1.02);
    }
    50% {
        transform: scale(1.01);
    }
}

@keyframes hintBounce {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-2px);
    }
    50% {
        transform: translateY(-1px);
    }
    75% {
        transform: translateY(-2px);
    }
}

@keyframes hintChevronBounce {
    0%, 100% {
        transform: rotate(0deg) scale(1);
        color: inherit;
    }
    25%, 75% {
        transform: rotate(5deg) scale(1.1);
    }
    50% {
        transform: rotate(-5deg) scale(1.05);
    }
}