/* =========================
   RESET & BASE
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #0077cc; /* Bleu profond */
    --color-secondary: #00bcd4; /* Cyan vibrant */
    --color-dark: #1f1f1f; /* Noir élégant */
    --color-light: #f4f4f9; /* Gris très clair */
    --color-text: #333;
    --color-text-light: #e0e0e0;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--color-light);
    color: var(--color-text);
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* =========================
   HEADER & NAVIGATION
========================= */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-dark);
    padding: 15px 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.navbar .logo {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-secondary);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links li a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease, transform 0.2s ease;
    position: relative;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    display: block;
    margin-top: 5px;
    right: 0;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-links li a:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.nav-links li a:hover::after {
    width: 100%;
    left: 0;
    background: var(--color-primary);
}

/* =========================
   SÉLECTEUR DE LANGUE
========================= */
.language-switcher {
    display: flex;
    background-color: var(--color-dark); 
    border-radius: 5px;
    border: 1px solid var(--color-text-light); 
    overflow: hidden;
}

.lang-btn {
    padding: 5px 10px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text-light); 
    background-color: transparent;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.lang-btn.active-lang {
    color: var(--color-dark); 
    background-color: var(--color-secondary); 
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
}

.lang-btn:not(.active-lang):hover {
    background-color: rgba(255, 255, 255, 0.1); 
    color: var(--color-primary); 
}

/* =========================
   MENU HAMBURGER (Corrigé)
========================= */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger .bar { /* S'assurer que le sélecteur cible les spans AVEC la classe 'bar' */
    height: 3px;
    width: 100%;
    background-color: var(--color-secondary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Animation vers X */
.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

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


/* =========================
   HERO SECTION
========================= */
#hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff;
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 50%;
    border: 6px solid rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.4s ease-in-out;
}

.hero-content img:hover {
    transform: scale(1.05) rotate(2deg);
}

.hero-content h1 {
    font-size: 3em;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content p {
    font-size: 1.3em;
    margin-bottom: 30px;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-dark);
    color: #fff;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: var(--color-primary);
    box-shadow: 0 8px 20px rgba(0, 119, 204, 0.4);
    transform: translateY(-3px);
}


/* =========================
   SECTIONS GÉNÉRALES
========================= */
section {
    padding: 80px 20px;
}

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

h2 {
    font-size: 2.5em;
    margin-bottom: 50px;
    color: var(--color-dark);
    text-align: center;
    position: relative;
    font-weight: 700;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* =========================
   COMPÉTENCES & ICÔNES (Mise à jour pour les icônes)
========================= */
#skills {
    background-color: var(--color-light); 
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.skill-category {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-top: 5px solid var(--color-secondary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.skill-category h3 {
    margin-bottom: 20px;
    color: var(--color-primary);
    font-size: 1.4em;
    /* Rendre le h3 flexible pour aligner l'icône */
    display: flex; 
    align-items: center; 
}

/* Style des icônes de compétence */
.skill-category h3 i {
    color: var(--color-secondary); 
    margin-right: 10px; 
    font-size: 1.2em; /* Légèrement plus grand que le texte */
    transition: transform 0.3s ease;
}

.skill-category:hover h3 i {
    transform: scale(1.1); /* Animation de l'icône au survol */
}

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

.skill-category ul li {
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.skill-category ul li::before {
    content: '✓'; 
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

/* =========================
   EXPÉRIENCE
========================= */
#experience {
    background-color: #e8e8e8; 
}

.experience-item {
    background-color: #fff;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-left: 5px solid var(--color-primary);
    transition: background-color 0.3s ease;
}

.experience-item:hover {
    background-color: var(--color-light);
}

.experience-item h3 {
    margin-bottom: 5px;
    color: var(--color-dark);
    font-size: 1.3em;
}

.experience-item .date {
    font-style: normal;
    color: #666;
    margin-bottom: 15px;
    display: block;
    font-size: 0.9em;
}

.experience-item ul {
    list-style: none;
    padding-left: 15px;
    border-left: 2px dotted #ccc;
    padding-bottom: 5px;
}

.experience-item ul li {
    margin-bottom: 8px;
    list-style: none;
}

/* =========================
   FORMULAIRE DE CONTACT
========================= */
#contact-section {
    background-color: var(--color-light);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form label {
    font-weight: 600;
    color: var(--color-dark);
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 5px rgba(0, 119, 204, 0.3);
}

.contact-form button {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
    letter-spacing: 1px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.contact-form button:hover {
    background-color: #005fa3;
    transform: translateY(-2px);
}

/* =========================
   BOUTONS RÉSEAUX SOCIAUX
========================= */
.social-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.social-btn {
    font-size: 24px;
    color: white;
    background-color: #333;
    padding: 15px;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-btn:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.linkedin { background-color: #0077b5; }
.twitter  { background-color: #1da1f2; }
.youtube  { background-color: #ff0000; }
.email    { background-color: #5d6d7e; }
.phone    { background-color: var(--color-secondary); }
.telegram { background-color: #0088cc; }

/* =========================
   FOOTER
========================= */
footer {
    background-color: var(--color-dark);
    color: var(--color-text-light);
    text-align: center;
    padding: 30px;
    font-size: 0.9em;
    border-top: 3px solid var(--color-primary);
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
    .hamburger {
        display: flex; 
    }
    
    .nav-links {
        display: none; 
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px; 
        right: 0;
        width: 100%;
        background-color: var(--color-dark);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        padding: 20px 0;
        border-radius: 0;
        z-index: 999;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links li a {
        padding: 10px 30px;
        display: block;
    }

    .language-switcher {
        margin-top: 15px;
        justify-content: center;
        border-color: var(--color-primary);
    }
}