/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --couleur-primaire: #2563eb;
    --couleur-primaire-foncee: #1d4ed8;
    --couleur-texte: #1e293b;
    --couleur-texte-clair: #64748b;
    --couleur-fond: #ffe4e6;
    --couleur-fond-alt: #f8fafc;
    --couleur-bordure: #e2e8f0;
    --rayon: 8px;
    --ombre: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, sans-serif;
    color: var(--couleur-texte);
    line-height: 1.6;
    background: var(--couleur-fond);
}

h1, h2, h3 {
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--couleur-bordure);
    z-index: 1000;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--couleur-primaire);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--couleur-texte);
}

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

.nav-links a {
    font-weight: 500;
    transition: color var(--transition);
}

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

/* ===== Hero ===== */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 6rem 2rem 4rem;
    background: linear-gradient(135deg, var(--couleur-fond) 0%, #eff6ff 100%);
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.highlight {
    color: var(--couleur-primaire);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--couleur-texte-clair);
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--couleur-primaire);
    color: #fff;
    border: none;
    border-radius: var(--rayon);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}

.btn:hover {
    background: var(--couleur-primaire-foncee);
    transform: translateY(-2px);
}

/* ===== Projets ===== */
.projets {
    padding: 5rem 2rem;
    background: var(--couleur-fond-alt);
}

.projets h2,
.a-propos h2,
.contact h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.projets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.projet-card {
    background: var(--couleur-fond);
    border-radius: var(--rayon);
    overflow: hidden;
    box-shadow: var(--ombre);
    transition: transform var(--transition), box-shadow var(--transition);
}

.projet-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

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

.placeholder-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--couleur-primaire), #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    font-weight: 600;
}

.projet-info {
    padding: 1.5rem;
}

.projet-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.projet-info p {
    color: var(--couleur-texte-clair);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.projet-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.projet-tags span {
    padding: 0.25rem 0.75rem;
    background: #eff6ff;
    color: var(--couleur-primaire);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===== A propos ===== */
.a-propos {
    padding: 5rem 2rem;
}

.a-propos-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: center;
}

.a-propos-texte p {
    color: var(--couleur-texte-clair);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.competences h3 {
    margin-bottom: 1rem;
}

.competences-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.competence-nom {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
}

.competence-barre {
    width: 100%;
    height: 8px;
    background: var(--couleur-bordure);
    border-radius: 4px;
    overflow: hidden;
}

.competence-niveau {
    height: 100%;
    background: var(--couleur-primaire);
    border-radius: 4px;
    width: 0;
    transition: width 1s ease;
}

.photo-profil {
    width: 100%;
    max-width: 350px;
    aspect-ratio: 1;
    margin: 0 auto;
    border-radius: 50%;
    object-fit: cover;
}

/* ===== Poeme ===== */
.poeme {
    padding: 5rem 2rem;
    background: var(--couleur-fond);
    text-align: center;
}

.poeme h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--couleur-texte);
}

.poeme-container {
    max-width: 700px;
    margin: 0 auto;
}

.poeme-texte {
    background: rgba(255, 255, 255, 0.5);
    border-left: 4px solid var(--couleur-primaire);
    border-radius: var(--rayon);
    padding: 2.5rem 3rem;
    box-shadow: var(--ombre);
    font-style: italic;
    font-size: 1.15rem;
    line-height: 2.2;
    color: var(--couleur-texte);
    letter-spacing: 0.02em;
}

.poeme-texte p {
    margin: 0;
}

@media (max-width: 768px) {
    .poeme-texte {
        padding: 1.5rem 1.5rem;
        font-size: 1rem;
        line-height: 2;
    }
}

/* ===== Contact ===== */
.contact {
    padding: 5rem 2rem;
    background: var(--couleur-fond-alt);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--couleur-bordure);
    border-radius: var(--rayon);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
}

.info-item strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.info-item p {
    color: var(--couleur-texte-clair);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.social-links a {
    padding: 0.5rem 1rem;
    background: var(--couleur-primaire);
    color: #fff;
    border-radius: var(--rayon);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--transition);
}

.social-links a:hover {
    background: var(--couleur-primaire-foncee);
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 2rem;
    background: var(--couleur-texte);
    color: #fff;
    font-size: 0.9rem;
}

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

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        padding: 1rem 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--couleur-bordure);
    }

    .nav-links.active {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .a-propos-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .a-propos-photo {
        order: -1;
    }

    .photo-profil {
        max-width: 200px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}