/* ===================================
   PORTFOLIO BTS SIO - STYLE.CSS
   =================================== */

/* Reset de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f4f4f4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===================================
   EN-TÊTE ET NAVIGATION
   =================================== */

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 4px solid white;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

nav {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav li {
    margin: 0 1rem;
}

nav a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: #764ba2;
}

nav a.active {
    color: #764ba2;
    border-bottom: 3px solid #764ba2;
    padding-bottom: 0.5rem;
}

/* ===================================
   SECTIONS
   =================================== */

section {
    background: white;
    margin: 2rem 0;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

section h2 {
    color: #667eea;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #667eea;
}

section h3 {
    color: #764ba2;
    font-size: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

/* ===================================
   COMPÉTENCES
   =================================== */

.competence {
    background: #f8f9fa;
    padding: 1rem;
    margin: 1rem 0;
    border-left: 4px solid #667eea;
    border-radius: 5px;
}

.competence h4 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

/* ===================================
   PROJETS ET MISSIONS
   =================================== */

.projet-card, .mission-card {
    background: #f8f9fa;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.projet-card h3, .mission-card h3 {
    color: #667eea;
    margin-top: 0;
}

.info-label {
    font-weight: bold;
    color: #764ba2;
    margin-top: 1rem;
}

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

.tag {
    background: #667eea;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.screenshot {
    width: 100%;
    max-width: 600px;
    height: auto;
    margin: 1rem 0;
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* ===================================
   VEILLE TECHNOLOGIQUE
   =================================== */

.veille-item {
    background: white;
    padding: 1rem;
    margin: 1rem 0;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
}

.veille-item h4 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

.veille-date {
    color: #888;
    font-size: 0.9rem;
    font-style: italic;
}

.veille-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.veille-link:hover {
    text-decoration: underline;
}

/* ===================================
   ENTREPRISE
   =================================== */

.entreprise-info {
    background: linear-gradient(135deg, #667eea20 0%, #764ba220 100%);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

/* ===================================
   FOOTER
   =================================== */

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* ===================================
   BOUTONS
   =================================== */

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

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn:hover {
    background: #5568d3;
}

.btn-secondary {
    background: #764ba2;
}

.btn-secondary:hover {
    background: #63408a;
}

/* ===================================
   ÉLÉMENTS SPÉCIFIQUES
   =================================== */

.specialite-box {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.specialite-box h4 {
    color: #667eea;
    margin-bottom: 1rem;
}

.info-box {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem;
    margin: 2rem 0;
    border-radius: 5px;
}

.info-box h4 {
    color: #856404;
    margin-bottom: 0.5rem;
}

.veille-theme {
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
}

section ul {
    margin-left: 2rem;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

section ul li {
    margin: 0.3rem 0;
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav li {
        margin: 0.5rem 0;
    }

    header h1 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}