/* Base styles and imports */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

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

:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --accent-color: #60a5fa;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --light-background: #f3f4f6;
    --transition: all 0.3s ease;
}

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

/* Navbar styles */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

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

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.navbar-name {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Welcome section */
.welcome {
    padding: 8rem 5% 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

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

.welcome h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.typing-text {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 500;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.intro {
    font-size: 1.2rem;
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

/* Skills section */
.skills {
    padding: 6rem 5%;
    background: var(--background);
}

.skills h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--text-color);
}

.skills-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.skill-category {
    background: var(--light-background);
    padding: 2rem;
    border-radius: 1rem;
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-align: center;
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.skill-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.skill-item span {
    font-size: 1rem;
    color: var(--light-text);
}

/* Projects section */
.projects-section {
    padding: 8rem 5% 4rem;
    background: var(--background);
}

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

.projects-header h1 {
    font-size: 3rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.projects h2 {
    font-size: 3rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.projects-header p {
    font-size: 1.2rem;
    color: var(--light-text);
}

.projects-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.project-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition);
}

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

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

.project-tech span {
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 2rem;
    font-size: 0.9rem;
}

.project-content {
    padding: 2rem;
}

.project-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.project-content p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-primary {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.project-details {
    padding: 0;
    height: 0;
    overflow: hidden;
    transition: all 0.5s ease;
}

.project-details.active {
    padding: 2rem;
    height: auto;
    border-top: 1px solid var(--light-background);
}

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

.project-details ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

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

.project-details li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.project-gallery img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 0.5rem;
    transition: var(--transition);
}

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

/* Profile section */
.profile-section {
    padding: 8rem 5% 4rem;
    background: var(--background);
}

.profile-header {
    max-width: 1200px;
    margin: 0 auto 4rem;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.profile-image {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
}

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

.profile-intro {
    flex-grow: 1;
}

.profile-intro h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.profile-intro p {
    font-size: 1.2rem;
    color: var(--light-text);
    max-width: 600px;
}

.profile-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: 3rem;
}

.profile-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.profile-card h2 {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.profile-card h2 i {
    color: var(--primary-color);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.4rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid white;
}

.timeline-date {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.timeline-content p {
    color: var(--light-text);
    margin-bottom: 0.3rem;
}

.timeline-content .location {
    font-style: italic;
    font-size: 0.9rem;
}

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

.interest-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-background);
    border-radius: 1rem;
    transition: var(--transition);
}

.interest-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.interest-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.interest-item p {
    color: var(--light-text);
    font-size: 0.9rem;
}

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

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-category ul {
    list-style: none;
}

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

.skill-category li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

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

.certification-item {
    background: var(--light-background);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: var(--transition);
}

.certification-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.certification-item img {
    width: 100px;
    height: 100px;
    margin-bottom: 1rem;
}

.certification-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

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

.certification-item .date {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 2rem;
    font-size: 0.9rem;
}

/* Veille section */
.veille-section {
    padding: 8rem 5% 4rem;
    background: var(--background);
}

.veille-header {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.veille-header h1 {
    font-size: 3rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.veille-header h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.veille-header p {
    font-size: 1.2rem;
    color: var(--light-text);
}

.veille-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: 3rem;
}

.veille-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.veille-card h2 {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.veille-card h2 i {
    color: var(--primary-color);
}

/* Methodology grid */
.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.method-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-background);
    border-radius: 1rem;
    transition: var(--transition);
}

.method-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.method-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.method-item p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Articles grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.article-card {
    background: var(--light-background);
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.article-image {
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.article-content {
    padding: 1.5rem;
}

.article-content .date {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 2rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

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

.article-content p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.article-tags span {
    padding: 0.3rem 0.8rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: 2rem;
    font-size: 0.9rem;
}

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

.tool-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-background);
    border-radius: 1rem;
    transition: var(--transition);
}

.tool-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.tool-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
}

.tool-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.tool-item p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Resources list */
.resources-list {
    display: grid;
    gap: 1rem;
}

.resource-link {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--light-background);
    border-radius: 1rem;
    text-decoration: none;
    transition: var(--transition);
}

.resource-link:hover {
    transform: translateX(10px);
    background: rgba(37, 99, 235, 0.1);
}

.resource-link i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.resource-link h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
    color: var(--text-color);
}

.resource-link p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Contact section */
.contact-section {
    padding: 8rem 5% 4rem;
    background: var(--background);
}

.contact-header {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.contact-header h1 {
    font-size: 3rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.contact-header p {
    font-size: 1.2rem;
    color: var(--light-text);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto 4rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info {
    display: grid;
    gap: 1.5rem;
}

.info-card {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

.info-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.info-card p,
.info-card a {
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-form-container {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 2px solid var(--light-background);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

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

/* Social section */
.social-section {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.social-section h2 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 2rem;
}

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

.social-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    transition: var(--transition);
}

.social-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

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

.social-card p {
    color: var(--light-text);
    text-align: center;
}

/* Footer styles */
footer {
    background: var(--text-color);
    color: white;
    padding: 4rem 5% 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-section {
    text-align: center;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: var(--transition);
    font-weight: 500;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Toast notifications */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.toast {
    background: white;
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.toast i {
    font-size: 1.5rem;
}

.toast.success i {
    color: #10b981;
}

.toast.error i {
    color: #ef4444;
}

.toast span {
    color: var(--text-color);
    font-weight: 500;
}

/* Form validation */
.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
}

.form-group input.error:focus,
.form-group textarea.error:focus {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

/* Loading state */
.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-primary .fa-spinner {
    animation: spin 1s linear infinite;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive design */
@media screen and (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .nav-links {
        display: none;
    }

    .welcome h1 {
        font-size: 2.5rem;
    }

    .typing-text {
        font-size: 1.5rem;
    }

    .intro {
        font-size: 1rem;
        padding: 0 1rem;
    }

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

    .projects-header h1 {
        font-size: 2rem;
    }

    .projects-header p {
        font-size: 1rem;
    }

    .projects-container {
        grid-template-columns: 1fr;
    }

    .project-content h2 {
        font-size: 1.3rem;
    }

    .project-links {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .profile-image {
        margin: 0 auto;
    }

    .profile-intro h1 {
        font-size: 2rem;
    }

    .profile-intro p {
        font-size: 1rem;
    }

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

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item::before {
        left: -1.9rem;
    }

    .veille-header h1 {
        font-size: 2rem;
    }

    .veille-header h2 {
        font-size: 1.4rem;
    }

    .veille-header p {
        font-size: 1rem;
    }

    .methodology-grid,
    .articles-grid,
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .article-image {
        height: 180px;
    }

    .article-content h3 {
        font-size: 1.2rem;
    }

    .contact-header h1 {
        font-size: 2rem;
    }

    .contact-header p {
        font-size: 1rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .social-section h2 {
        font-size: 1.6rem;
    }

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

    .toast-container {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }

    .toast {
        width: 100%;
    }
}