:root {
    /* Couleurs principales */
    --primary-color: #FF6B00; /* Orange vif pour les liens */
    --secondary-color: #FF8533; /* Orange clair pour les effets de survol */
    --background-color: #000000; /* Noir */
    --text-color: #FFFFFF; /* Blanc */
    --secondary-background: #1A1A1A; /* Noir légèrement plus clair */
    --border-color: #333333; /* Gris foncé pour les bordures */
    
    /* Couleurs de texte */
    --text-primary: #FFFFFF;
    --text-secondary: #CCCCCC;
    
    /* Couleurs d'état */
    --success-color: #00FF7F;
    --error-color: #FF4500;
    --warning-color: #FFA500;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Bordures */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--secondary-background);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

.nav-links a.active {
    color: var(--secondary-color);
}

/* Sections */
.section {
    min-height: 100vh;
    padding: 8rem 2rem 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--background-color), var(--primary-color));
}

.content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-color);
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--primary-color);
    color: var(--background-color);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    margin-top: 2rem;
    border: none;
    font-weight: 500;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* About Section */
.about {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 6rem 2rem 2rem;
    background-color: var(--bg-dark);
}

.about-content {
    max-width: 1200px;
    width: 100%;
}

.about-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
    gap: 3rem;
}

.about-text {
    flex: 2;
    text-align: left;
}

.about-text h1 {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    text-align: left;
}

.about-text p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    text-align: left;
    line-height: 1.6;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-icon {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 3px solid var(--secondary-color);
    padding: 5px;
    background-color: rgba(138, 43, 226, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-icon:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.3);
}

.about-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.skills {
    margin-top: 4rem;
}

.skills h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
}

.skill-card {
    background: rgba(138, 43, 226, 0.1);
    border: 1px solid rgba(138, 43, 226, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.2);
}

.skill-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

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

.skill-card ul {
    list-style: none;
    padding: 0;
}

.skill-card ul li {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

@media screen and (max-width: 768px) {
    .about-header {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem;
    }

    .about-text h1,
    .about-text p {
        text-align: center;
    }

    .about-text h1 {
        font-size: 2.5rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .profile-icon {
        width: 150px;
        height: 150px;
    }

    .about-buttons {
        justify-content: center;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* BTS Section */
.bts-section {
    min-height: 100vh;
    padding: 6rem 2rem 2rem;
    background-color: var(--bg-dark);
}

.bts-content {
    max-width: 1200px;
    margin: 0 auto;
}

.bts-content h1 {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    display: block;
    width: 100%;
}

.bts-content h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 200px;
    height: 3px;
    background: var(--secondary-color);
}

.bts-intro {
    font-size: 1.2rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.bts-description {
    background: rgba(138, 43, 226, 0.1);
    border: 1px solid rgba(138, 43, 226, 0.2);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 4rem;
}

.bts-description p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.formation-types {
    list-style: none;
    padding-left: 1.5rem;
}

.formation-types li {
    color: var(--text-light);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.formation-types li::before {
    content: "→";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

.bts-content h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
}

.specialties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.specialty-card {
    background: rgba(138, 43, 226, 0.1);
    border: 1px solid rgba(138, 43, 226, 0.2);
    border-radius: 15px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.specialty-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.2);
}

.specialty-header {
    text-align: center;
    margin-bottom: 2rem;
}

.specialty-header i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.specialty-header h3 {
    font-size: 1.8rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.specialty-subtitle {
    color: var(--secondary-color);
    font-size: 1rem;
    opacity: 0.9;
}

.specialty-card p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.specialty-card ul {
    list-style: none;
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}

.specialty-card ul li {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.specialty-card ul li::before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

.jobs-section {
    border-top: 1px solid rgba(138, 43, 226, 0.2);
    padding-top: 1.5rem;
}

.jobs-section h4 {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-align: center;
}

@media screen and (max-width: 768px) {
    .bts-content h1 {
        font-size: 2.5rem;
    }

    .bts-content h2 {
        font-size: 2rem;
    }

    .specialties-grid {
        grid-template-columns: 1fr;
    }

    .specialty-card {
        padding: 1.5rem;
    }
}

/* Experience Section */
.experiences {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.experience {
    padding: 2rem;
    background-color: rgba(138, 43, 226, 0.1);
    border-radius: 10px;
    transition: var(--transition);
}

.experience:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.2);
}

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

/* Burger Menu */
.burger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 5px;
    transition: var(--transition);
}

/* Certifications Section */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Certification skills */
.certification-skills {
    list-style: none;
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.certification-skills li {
    margin-bottom: 0.5rem;
    position: relative;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.certification-skills li::before {
    content: "→";
    color: var(--secondary-color);
    position: absolute;
    left: -1.5rem;
}

/* Enhanced certification cards */
.certification-card {
    background: linear-gradient(145deg, rgba(138, 43, 226, 0.1), rgba(0, 0, 0, 0.2));
    border-radius: 15px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(138, 43, 226, 0.2);
    backdrop-filter: blur(10px);
}

.certification-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(138, 43, 226, 0.1), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.certification-card:hover::before {
    transform: translateX(100%);
}

.certification-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.2);
}

.certification-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.certification-card:hover .certification-icon {
    transform: scale(1.1);
}

.certification-content h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    text-align: center;
}

.certification-details {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 5px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin: 1rem 0;
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: var(--secondary-color);
    border-radius: 3px;
    transition: width 1s ease-in-out;
}

.certification-content p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1rem;
    text-align: center;
}

/* Responsive adjustments for certifications */
@media screen and (max-width: 768px) {
    .certifications-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
    
    .certification-card {
        padding: 1.5rem;
    }
    
    .certification-skills {
        font-size: 0.85rem;
    }
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        height: calc(100vh - 70px);
        background-color: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 2rem 0;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 1rem 0;
    }

    .burger {
        display: block;
    }

    .burger.active div:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .burger.active div:nth-child(2) {
        opacity: 0;
    }

    .burger.active div:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .about-content,
    .specialties {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }
    
    .about-content {
        padding: 1.5rem;
    }
    
    .section {
        padding: 6rem 1rem 2rem;
    }
}

/* Page-specific styles */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
}

/* Timeline styles */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--secondary-color);
}

.experience {
    position: relative;
    margin-bottom: 3rem;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.experience:nth-child(odd) {
    padding-right: 50%;
}

.experience:nth-child(even) {
    padding-left: 50%;
}

.experience-date {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 1;
}

.experience-content {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(138, 43, 226, 0.2);
    width: 90%;
    position: relative;
    transition: var(--transition);
}

.experience-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.2);
}

.experience-title {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.experience-details {
    list-style: none;
    padding-left: 1.5rem;
}

.experience-details li {
    margin-bottom: 0.5rem;
    position: relative;
}

.experience-details li::before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: -1.5rem;
}

/* Responsive timeline */
@media screen and (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .experience {
        padding-left: 80px !important;
        padding-right: 0 !important;
    }

    .experience-date {
        left: 30px;
        transform: translateX(-50%);
    }

    .experience-content {
        width: 100%;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
    z-index: 1;
}

.hero video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-decoration {
    position: relative;
    width: 40%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.decoration-circle {
    width: 400px;
    height: 400px;
    border: 3px solid rgba(138, 43, 226, 0.4);
    border-radius: 50%;
    position: absolute;
    animation: rotate 15s linear infinite;
    box-shadow: 0 0 30px rgba(138, 43, 226, 0.2);
}

.decoration-circle::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid rgba(138, 43, 226, 0.2);
    border-radius: 50%;
    animation: rotate 20s linear infinite reverse;
}

.decoration-line {
    width: 3px;
    height: 300px;
    background: linear-gradient(to bottom, 
        transparent,
        var(--secondary-color),
        var(--secondary-color),
        transparent
    );
    position: absolute;
    transform: rotate(45deg);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.5);
}

.decoration-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--secondary-color) 3px, transparent 3px);
    background-size: 40px 40px;
    opacity: 0.4;
    animation: pulse 3s ease-in-out infinite;
}

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

@keyframes pulse {
    0% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
    100% {
        opacity: 0.2;
        transform: scale(1);
    }
}

/* Ajout d'un effet de lueur */
.hero-decoration::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, 
        rgba(138, 43, 226, 0.1) 0%,
        transparent 70%
    );
    animation: glow 4s ease-in-out infinite;
}

@keyframes glow {
    0% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        opacity: 0.3;
    }
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.hero-title h1 {
    margin: 0;
    line-height: 1.2;
}

.hero-title h1:first-child {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.hero-title h1:last-child {
    font-size: 3rem;
    color: var(--text-light);
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-buttons .btn {
    background-color: var(--secondary-color);
    color: var(--text-dark);
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
    background-color: var(--secondary-color);
    color: var(--text-dark);
}

@media screen and (max-width: 768px) {
    .hero {
        padding: 0 2rem;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }

    .hero-decoration {
        display: none;
    }
}

/* Timeline Section */
.timeline-section {
    margin-top: 6rem;
    padding-top: 4rem;
    border-top: 1px solid rgba(138, 43, 226, 0.2);
}

.timeline-section h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background: var(--secondary-color);
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    width: 100%;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
    margin-right: 50px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: auto;
    margin-left: 50px;
}

.timeline-content {
    width: calc(50% - 50px);
    background: rgba(138, 43, 226, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(138, 43, 226, 0.2);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--secondary-color);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -60px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -60px;
}

.timeline-content h3 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline-location {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.timeline-date {
    color: var(--text-light);
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-light);
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.timeline-details {
    list-style: none;
    padding-left: 0;
}

.timeline-details li {
    color: var(--text-light);
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.3rem;
    padding-left: 1rem;
    position: relative;
}

.timeline-details li::before {
    content: '•';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

@media screen and (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px;
    }

    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -40px;
    }
}

/* Veille Technologique Section */
.veille-section {
    min-height: 100vh;
    padding: 6rem 2rem 2rem;
    background-color: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
}

.veille-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.veille-content h1 {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    text-align: center;
}

.veille-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.veille-description p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.veille-description .cta-buttons {
    text-align: center;
}

@media screen and (max-width: 768px) {
    .veille-content h1 {
        font-size: 2.5rem;
    }
    
    .veille-description {
        padding: 1.5rem;
    }
}

/* Veille Tools Section */
.veille-tools {
    margin-top: 4rem;
}

.veille-tools h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    text-align: center;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tool-card {
    background: rgba(138, 43, 226, 0.1);
    border: 1px solid rgba(138, 43, 226, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.2);
}

.tool-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.tool-card h3 {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.tool-card p {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.tool-card .btn {
    width: 100%;
    margin-top: auto;
}

@media screen and (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-card {
        padding: 1.5rem;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(145deg, rgba(0, 0, 0, 0.95), rgba(138, 43, 226, 0.1));
    border: 1px solid rgba(138, 43, 226, 0.3);
    border-radius: 15px;
    padding: 2rem;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(138, 43, 226, 0.3);
}

.modal-header i {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.modal-header h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin: 0;
}

.modal-body {
    color: var(--text-light);
}

.modal-body p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

.cert-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    margin-bottom: 2rem;
    border: 1px solid rgba(138, 43, 226, 0.3);
}

.cert-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(138, 43, 226, 0.3);
}

.cert-detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
}

.cert-detail-item i {
    color: var(--secondary-color);
}

@media screen and (max-width: 768px) {
    .modal-content {
        padding: 1.5rem;
        width: 95%;
    }

    .modal-header h2 {
        font-size: 1.5rem;
    }

    .modal-body p {
        font-size: 1rem;
    }

    .cert-details {
        grid-template-columns: 1fr;
    }
}

/* Page Title */
.page-title {
    text-align: center;
    padding: 4rem 2rem 2rem;
    background-color: var(--bg-dark);
}

.page-title h1 {
    font-size: 3rem;
    color: var(--text-light);
    margin: 0;
    position: relative;
    display: inline-block;
}

.page-title h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 200px;
    height: 3px;
    background: var(--secondary-color);
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 2rem;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media screen and (max-width: 768px) {
    .page-title {
        padding: 3rem 1rem 1.5rem;
    }
    
    .page-title h1 {
        font-size: 2.5rem;
    }
}

/* Styles pour la page E4 */
.e4-section {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.e4-content {
    background: var(--bg-dark);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.e4-description {
    margin-bottom: 3rem;
}

.e4-description h2,
.e4-deroulement h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.competences-list {
    list-style: none;
    padding: 0;
}

.competences-list li {
    margin: 1rem 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
}

.competences-list li i {
    color: var(--secondary-color);
    margin-right: 1rem;
}

.e4-resources {
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(138, 43, 226, 0.1);
    border-radius: 15px;
}

.e4-resources h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.resource-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--bg-dark);
    border: 1px solid rgba(138, 43, 226, 0.2);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.2);
}

.resource-card i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.partie {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(138, 43, 226, 0.05);
    border-radius: 10px;
}

.partie h3 {
    color: var(--text-light);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.partie ul {
    list-style: none;
    padding-left: 1.5rem;
}

.partie ul li {
    color: var(--text-light);
    margin: 0.8rem 0;
    position: relative;
}

.partie ul li::before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: -1.5rem;
}

.note-finale {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(138, 43, 226, 0.1);
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
}

@media screen and (max-width: 768px) {
    .e4-section {
        padding: 1rem;
    }

    .e4-content {
        padding: 1.5rem;
    }

    .resources-grid {
        grid-template-columns: 1fr;
    }

    .partie {
        padding: 1rem;
    }
}

/* Styles pour la page Contact */
.contact-section {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--bg-dark);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-info h2,
.contact-form h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-item {
    background: rgba(138, 43, 226, 0.1);
    border: 1px solid rgba(138, 43, 226, 0.2);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
}

.info-item i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.info-item h3 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

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

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

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--text-light);
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid rgba(138, 43, 226, 0.2);
    border-radius: 5px;
    background: rgba(138, 43, 226, 0.1);
    color: var(--text-light);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 191, 255, 0.2);
}

.contact-form button {
    align-self: flex-start;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-form button i {
    font-size: 1.2rem;
}

@media screen and (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-section {
        padding: 1rem;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .contact-form button {
        width: 100%;
        justify-content: center;
    }
}

/* Styles pour la page E5 */
.e5-section {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.e5-content {
    background: var(--bg-dark);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.e5-description {
    margin-bottom: 3rem;
}

.e5-description h2,
.e5-parts h2,
.e5-evaluation h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.e5-description p,
.e5-parts p,
.e5-evaluation p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.e5-parts .partie {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(138, 43, 226, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(138, 43, 226, 0.2);
}

.e5-parts .partie h3 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.e5-evaluation ul {
    list-style: none;
    padding-left: 1.5rem;
}

.e5-evaluation ul li {
    color: var(--text-light);
    margin: 0.8rem 0;
    position: relative;
    font-size: 1.1rem;
}

.e5-evaluation ul li::before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: -1.5rem;
}

@media screen and (max-width: 768px) {
    .e5-section {
        padding: 1rem;
    }

    .e5-content {
        padding: 1.5rem;
    }

    .e5-description h2,
    .e5-parts h2,
    .e5-evaluation h2 {
        font-size: 1.8rem;
    }

    .e5-description p,
    .e5-parts p,
    .e5-evaluation p {
        font-size: 1rem;
    }

    .e5-parts .partie {
        padding: 1rem;
    }
}

/* Styles pour la section des situations E5 */
.e5-situations {
    margin-top: 4rem;
    padding: 2rem;
    background: linear-gradient(145deg, rgba(0, 0, 0, 0.8), rgba(138, 43, 226, 0.1));
}

.situation-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(138, 43, 226, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.situation-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.2);
    border-color: var(--secondary-color);
}

.situation-image {
    min-height: 400px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.situation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    max-height: 500px;
}

.situation-card:hover .situation-image img {
    transform: scale(1.05);
}

.situation-details {
    padding: 1rem;
}

.situation-details h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.situation-details p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.situation-skills h4 {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.situation-skills ul {
    list-style: none;
    padding-left: 1.5rem;
}

.situation-skills ul li {
    color: var(--text-light);
    margin: 0.8rem 0;
    position: relative;
    font-size: 1.1rem;
}

.situation-skills ul li::before {
    content: "→";
    color: var(--secondary-color);
    position: absolute;
    left: -1.5rem;
}

.situation-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.situation-links .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
}

.situation-links .btn i {
    font-size: 1.2rem;
}

.situation-links .btn-outline {
    background-color: transparent;
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.situation-links .btn-outline:hover {
    background-color: var(--secondary-color);
    color: var(--text-dark);
}

@media screen and (max-width: 768px) {
    .situation-card {
        grid-template-columns: 1fr;
    }

    .situation-image {
        min-height: 200px;
    }

    .situation-details h3 {
        font-size: 1.3rem;
    }

    .situation-details p {
        font-size: 1rem;
    }

    .situation-links {
        flex-direction: column;
    }
    
    .situation-links .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Styles pour la section des projets */
.projects-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-card {
    background: var(--secondary-background);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-image {
    position: relative;
    overflow: hidden;
    min-height: 300px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: var(--transition-normal);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.project-content h2 {
    color: var(--text-color);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-tech {
    margin: var(--spacing-md) 0;
}

.project-tech h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.project-tech ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    list-style: none;
    padding: 0;
}

.project-tech li {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.project-tech i {
    color: var(--primary-color);
}

.project-links {
    margin-top: auto;
    display: flex;
    gap: var(--spacing-sm);
}

.project-links .btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
}

@media screen and (max-width: 1200px) {
    .projects-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .projects-section {
        grid-template-columns: 1fr;
    }
    .project-image {
        min-height: 200px;
    }
    .project-content {
        padding: var(--spacing-sm);
    }
    .project-tech ul {
        flex-direction: column;
    }
    .project-links {
        flex-direction: column;
    }
    .project-links .btn {
        width: 100%;
        justify-content: center;
    }
}

.veille-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.benefit-card {
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.2);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit-card h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.veille-description h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin: 2rem 0 1rem;
}

.veille-description p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

@media screen and (max-width: 768px) {
    .veille-benefits {
        grid-template-columns: 1fr;
    }
    
    .benefit-card {
        padding: 1.5rem;
    }
}

.veille-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    padding: 2rem;
    background: rgba(255, 107, 0, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 107, 0, 0.1);
}

.veille-intro p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.veille-intro .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.veille-intro .btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-2px);
}

@media screen and (max-width: 768px) {
    .veille-intro {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .veille-intro p {
        font-size: 1rem;
    }
}

.veille-subject {
    margin-top: 4rem;
    padding: 2rem;
    background: rgba(255, 107, 0, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 107, 0, 0.1);
}

.veille-subject h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.subject-why {
    margin-bottom: 3rem;
}

.subject-why h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

.subject-points h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.subject-points ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.subject-points li {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.subject-points li:hover {
    transform: translateY(-3px);
}

.subject-points i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

@media screen and (max-width: 768px) {
    .veille-subject {
        padding: 1.5rem;
        margin-top: 3rem;
    }
    
    .veille-subject h2 {
        font-size: 1.8rem;
    }
    
    .subject-points ul {
        grid-template-columns: 1fr;
    }
}

.veille-sources {
    margin-top: 4rem;
    padding: 2rem;
    background: rgba(255, 107, 0, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 107, 0, 0.1);
}

.veille-sources h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: 1rem;
    text-align: center;
}

.sources-intro {
    color: var(--text-secondary);
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.source-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.source-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(255, 107, 0, 0.2);
}

.source-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.source-card h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.source-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.source-card .btn-outline {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.source-card .btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
}

@media screen and (max-width: 768px) {
    .veille-sources {
        padding: 1.5rem;
        margin-top: 3rem;
    }
    
    .sources-grid {
        grid-template-columns: 1fr;
    }
    
    .source-card {
        padding: 1.5rem;
    }
}