:root {
    --primary-color: #3498db;
    --background-color: #f4f7f6;
    --text-color: #2c3e50;
    --accent-color: #2ecc71;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

h2 {
    text-align: center;
}

.project-info-box {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 2rem;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 0.6rem 1rem;
    background-color: #f8f9fa;
    border-radius: 5px;
    font-size: 0.85rem;
}

.project-info-box span {
    color: #555;
}

header img {
    width: 40px;
    height: 40px;
}

header img:hover {
    transform: scale(1.1);
}

#contact {
    padding: 60px 0;
    margin-top: 40px;
    background-color: white;
}

.contact-links {
    margin: 30px 0;
}

.contact-logo {
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease;
}

.contact-logo:hover {
    transform: scale(1.1);
}

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

#accueil {
    background: linear-gradient(-45deg, #ffffff, #cbe6ff, #ffffff, #bde0ff);
    background-size: 400% 400%;
    animation: gradient 10s ease infinite;
    height: 100vh;
}

#accueil .hero-content,
#accueil .hero-image {
    opacity: 0;
    animation: fadeInUp 1s ease-out forwards;
}

#accueil .hero-content {
    animation-delay: 0.3s;
}

#accueil .hero-image {
    animation-delay: 0.6s;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

@keyframes gradient {
    0% {
        background-position: 0 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0 50%;
    }
}

.project-title {
    text-align: center;
    padding-bottom: 20px;
}

.container {
    margin: 0 auto;
    padding: 0 10%;
}

header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-direction: column;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10%;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-left img {
    width: 40px;
    height: 40px;
}

.header-left h1 {
    margin: 0;
    font-size: 1.5rem;
}

nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

nav a {
    margin-left: 20px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

#accueil {
    display: flex;
    align-items: center;
    min-height: calc(100vh - 100px);
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 350px;
    border-radius: 50%;
    filter: grayscale(20%);
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn :hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

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

#projets {
    background-color: white;
    padding: 80px 0;
}

.projets-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.projet-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    padding: 0;
    text-decoration: none;
    color: var(--text-color);
    display: block;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.projet-content {
    padding: 1.5rem;
}

.projet-date {
    font-family: 'Georgia', serif;
    font-style: italic;
    font-size: 0.8rem;
    color: #888;
    margin-left: auto;
    align-self: center;
}

.projet-description {
    margin-bottom: 1.5rem;
    color: #666;
}

.projet-details {
    margin: 1.5rem 0;
}

.projet-details ul {
    list-style-type: none;
    padding-left: 0;
}

.projet-details li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

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

.projet-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    align-items: center;
}

.projet-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: none;
}

.projets-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.projet-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.projet-tags {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

#about.container {
    padding: 40px 10%;
    background: linear-gradient(-45deg, #ffffff, #cbe6ff, #ffffff, #bde0ff);
    background-size: 400% 400%;
    animation: gradient 10s ease infinite;
    text-align: justify;
}

.about-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: fit-content;
    margin: 20px;
}

.about-section p {
    text-align: justify;
    width: 100%;
}

.icone-a-propos {
    max-height: 64px;
    width: auto;
    margin: 0 auto;
    display: block;
}

.about-grid {
    display: grid;
    gap: 30px;
    margin-top: 50px;
    align-items: start;
}

.about-grid2 {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(2, 1fr);
    margin-top: 50px;
    align-items: start;
}

.tag {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8em;
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
}

#contact {
    background-color: white;
    text-align: center;
    padding: 80px 0;
}

footer {
    background-color: var(--text-color);
    color: white;
    text-align: center;
    padding: 20px;
}

@media (max-width: 768px) {
    #accueil, .projets-grid {
        flex-direction: column;
        grid-template-columns: 1fr;
    }

    .hero-image img {
        max-width: 250px;
    }

    .block {
        flex-direction: column !important;
        padding: 20px;
    }

    .block img {
        width: 250px;
        margin: 0 auto;
    }

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

    .header-left h1 {
        font-size: 1.2rem;
    }

    nav a {
        margin-left: 10px;
    }

    .dropdown-content {
        position: fixed;
        top: auto;
        left: 0;
        right: 0;
        transform: none;
        width: 100%;
        border-radius: 0;
        margin-top: 0;
    }

    .dropdown-content::before {
        display: none;
    }
}

#intro h1 {
    text-align: center;
    font-size: 2.5rem;
    padding: 20px;
}

#intro p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.block {
    display: flex;
    margin: 2rem auto;
    border-radius: 40px;
    padding: 30px;
    gap: 30px;
    align-items: center;
    background: white;
}

.block img {
    width: 250px;
    height: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.block div {
    flex: 1;
}

.features-list {
    margin: 2rem 0;
}

.features-list ul {
    list-style-type: none;
    padding-left: 0;
}

.features-list li {
    margin: 1rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.features-list li:before {
    content: "•";
    color: #3498db;
    position: absolute;
    left: 0;
}

.feature-card img {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
}

.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.screenshot {
    aspect-ratio: 16/9;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background-color: #f5f5f5;
}

.screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.screenshot:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

#intro, #competences {
    min-height: fit-content;
    padding: 60px 0;
    background: linear-gradient(-45deg, #ffffff, #cbe6ff, #ffffff, #bde0ff);
    background-size: 400% 400%;
    animation: gradient 10s ease infinite;
}

#presentation {
    margin-top: 20px;
}

#presentation .btn-primary {
    margin: 0 auto;
    padding: 20px 50px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    padding: 20px;
}

.skill-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 20px;
}

.skill-card img {
    width: 48px;
    height: 48px;
}

.about-section-modern {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.bio-intro {
    text-align: center;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: #555;
    line-height: 1.8;
}

.bio-cards-container {
    display: flex;
    gap: 30px;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.bio-card {
    background: white;
    flex: 1;
    min-width: 280px;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: rgba(52, 152, 219, 0.1);
    width: 70px;
    height: 70px;
    line-height: 70px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    color: var(--primary-color);
}

.bio-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.bio-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    text-align: center;
}

.about-header {
    text-align: center;
    margin-bottom: 50px;
}

.about-header .icone-a-propos {
    margin: 0 auto 15px auto;
    width: 64px;
    height: auto;
}

.bio-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.bio-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
}

.bio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    border-color: #dfe5ea;
}

.card-icon-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

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

.bio-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.25rem;
    position: relative;
    padding-bottom: 10px;
    width: 100%;
}

.bio-card h3::after {
    content: none;
}

.bio-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

.presentation-header-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 50px;
}

.presentation-header-card img {
    max-width: 150px;
    height: auto;
}

.header-text p {
    margin: 0;
    color: #555;
    font-size: 1.05rem;
    line-height: 1.6;
}

.section-subtitle {
    text-align: center;
    margin: 40px 0 30px 0;
    color: var(--primary-color);
    font-size: 1.4rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.missions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    max-width: 900px;
    margin: 0 auto 50px auto;
}

.mission-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid #e9ecef;
}

.mission-card:hover {
    transform: translateY(-5px);
    border-color: #dfe5ea;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    display: block;
}

.mission-card h4 {
    margin-bottom: 10px;
    color: var(--text-color);
    font-size: 1.1rem;
}

.mission-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.process-step {
    flex: 1;
    background: white;
    padding: 20px 15px;
    border-radius: 15px;
    text-align: center;
    position: relative;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    min-width: 140px;
}

.process-step:not(:last-child)::after {
    content: "➔";
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-size: 1.2rem;
    z-index: 1;
}

.step-number {
    width: 35px;
    height: 35px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    margin: 0 auto 10px auto;
}

.process-step h4 {
    margin-bottom: 8px;
    font-size: 1rem;
}

.process-step p {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
}

@media (max-width: 768px) {
    .presentation-header-card {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

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

    .process-timeline {
        flex-direction: column;
        gap: 30px;
    }

    .process-step:not(:last-child)::after {
        content: "↓";
        right: 50%;
        top: auto;
        bottom: -25px;
        transform: translateX(50%);
    }

    #accueil, .projets-grid {
        flex-direction: column;
        grid-template-columns: 1fr;
    }

    .hero-image img {
        max-width: 250px;
    }

    .block {
        flex-direction: column !important;
        padding: 20px;
    }

    .block img {
        width: 250px;
        margin: 0 auto;
    }

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

    .header-left h1 {
        font-size: 1.2rem;
    }

    nav a {
        margin-left: 10px;
    }

    .dropdown-content {
        position: fixed;
        top: auto;
        left: 0;
        right: 0;
        transform: none;
        width: 100%;
        border-radius: 0;
        margin-top: 0;
    }

    .dropdown-content::before {
        display: none;
    }
}