.cours-en-ligne-header{background-size:cover;background-position:center;background-repeat:no-repeat;color:white;padding:120px 0 80px;position:relative;min-height:500px;display:flex;align-items:center;}.cours-en-ligne-header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:1;}.cours-header-content{display:flex;justify-content:center;align-items:center;position:relative;z-index:2;text-align:center;width:100%;}.cours-header-text{flex:1;}.cours-title{font-size:3rem;font-weight:700;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,0.7);}.cours-subtitle{font-size:1.5rem;opacity:0.9;margin-bottom:2rem;font-weight:300;text-shadow:1px 1px 3px rgba(0,0,0,0.6);}.cours-header-features{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center;}.feature-item{display:flex;align-items:center;gap:0.5rem;background:rgba(255,255,255,0.15);padding:1rem 1.5rem;border-radius:25px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.3);box-shadow:0 4px 15px rgba(0,0,0,0.2);text-shadow:1px 1px 2px rgba(0,0,0,0.5);}.feature-item i{font-size:1.2rem;}.cours-header-image{flex:0 0 400px;}.cours-header-img{width:400px;height:300px;border-radius:20px;object-fit:cover;object-position:center;box-shadow:0 25px 50px rgba(0,0,0,0.2);border:4px solid rgba(255,255,255,0.2);}.outils-generaux-section{padding:80px 0;background:#f8fafc;}.outils-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(500px,1fr));gap:3rem;margin-top:3rem;}.outil-card-link{text-decoration:none;color:inherit;display:block;}.outil-card-link:hover{text-decoration:none;color:inherit;}.outil-card{background:white;border-radius:20px;box-shadow:0 15px 35px rgba(0,0,0,0.1);overflow:hidden;transition:all 0.3s ease;}.outil-card-link:hover .outil-card{transform:translateY(-10px);box-shadow:0 20px 50px rgba(0,0,0,0.15);}.outil-image{position:relative;height:250px;overflow:hidden;}.outil-img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform 0.3s ease;}.outil-card-link:hover .outil-img{transform:scale(1.05);}.outil-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(102,126,234,0.8);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 0.3s ease;}.outil-card-link:hover .outil-overlay{opacity:1;}.outil-btn{width:60px;height:60px;border-radius:50%;background:white;display:flex;align-items:center;justify-content:center;color:#667eea;font-size:1.5rem;transition:all 0.3s ease;}.outil-card-link:hover .outil-btn{transform:scale(1.1);}.outil-content{padding:2rem;}.outil-title{font-size:1.8rem;font-weight:600;color:#1e293b;margin-bottom:0.5rem;}.outil-niveau{color:#667eea;font-weight:600;margin-bottom:1rem;font-size:1.1rem;}.outil-description{color:#64748b;line-height:1.6;margin-bottom:1.5rem;}.outil-features{display:flex;gap:0.5rem;margin-bottom:2rem;flex-wrap:wrap;}.feature-tag{background:#f1f5f9;color:#475569;padding:0.5rem 1rem;border-radius:15px;font-size:0.9rem;display:flex;align-items:center;gap:0.3rem;}.feature-tag i{font-size:0.8rem;}.btn{display:inline-block;padding:12px 24px;border-radius:25px;font-weight:600;text-decoration:none;text-align:center;transition:all 0.3s ease;cursor:pointer;border:none;font-size:1rem;}.btn-primary{background:#667eea;color:white;}.btn-primary:hover{background:#5a67d8;transform:translateY(-2px);box-shadow:0 8px 20px rgba(102,126,234,0.3);}.btn-outline{background:transparent;color:#667eea;border:2px solid #667eea;}.btn-outline:hover{background:#667eea;color:white;transform:translateY(-2px);box-shadow:0 8px 20px rgba(102,126,234,0.3);}.cours-niveaux-section{padding:80px 0;background:white;}.niveaux-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;margin-top:3rem;}.niveau-card-link{text-decoration:none;color:inherit;display:block;}.niveau-card-link:hover{text-decoration:none;color:inherit;}.niveau-card{background:white;border-radius:20px;box-shadow:0 10px 30px rgba(0,0,0,0.1);overflow:hidden;transition:all 0.3s ease;border:2px solid transparent;}.niveau-card-link:hover .niveau-card{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,0.15);border-color:#667eea;}.niveau-image{position:relative;height:200px;overflow:hidden;}.niveau-img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform 0.3s ease;}.niveau-card-link:hover .niveau-img{transform:scale(1.05);}.niveau-badge{position:absolute;top:15px;left:15px;background:rgba(102,126,234,0.9);color:white;padding:0.5rem 1rem;border-radius:20px;font-weight:600;font-size:0.9rem;backdrop-filter:blur(10px);}.niveau-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(102,126,234,0.8);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 0.3s ease;}.niveau-card-link:hover .niveau-overlay{opacity:1;}.niveau-btn{width:50px;height:50px;border-radius:50%;background:white;display:flex;align-items:center;justify-content:center;color:#667eea;font-size:1.2rem;transition:all 0.3s ease;}.niveau-card-link:hover .niveau-btn{transform:scale(1.1);}.niveau-content{padding:1.5rem;}.niveau-title{font-size:1.4rem;font-weight:600;color:#1e293b;margin-bottom:0.5rem;}.niveau-description{color:#64748b;margin-bottom:1rem;font-style:italic;}.niveau-matières{display:flex;gap:0.5rem;margin-bottom:1.5rem;flex-wrap:wrap;}.matière-tag{padding:0.3rem 0.8rem;border-radius:12px;font-size:0.8rem;font-weight:500;color:white;}.matière-tag.physique{background:#3b82f6;}.matière-tag.chimie{background:#10b981;}.matière-tag.maths{background:#f59e0b;}.matière-tag.sciences{background:#8b5cf6;}.matière-tag.technique{background:#ef4444;}.matière-tag.innovation{background:#06b6d4;}.matière-tag.environnement{background:#84cc16;}.matière-tag.bac{background:#f97316;}.matière-tag.specialite{background:#ec4899;}.matière-tag.concours{background:#dc2626;}.matière-tag.enseignement{background:#059669;}.matière-tag.msp{background:#7c3aed;}.matière-tag.mathematiques{background:#f59e0b;}.cours-cta-section{padding:80px 0;background:linear-gradient(135deg,#667eea,#764ba2);color:white;}.cta-content{display:flex;align-items:center;gap:4rem;max-width:1600px;margin:0 auto;padding:0 2rem;}.cta-text{flex:1;min-width:0;}.cta-content h2{font-size:2.3rem;font-weight:700;margin-bottom:1.5rem;line-height:1.1;white-space:nowrap;}.cta-content p{font-size:1.2rem;line-height:1.6;margin-bottom:2rem;opacity:0.9;}.cta-features{display:flex;gap:2rem;margin-bottom:2rem;flex-wrap:wrap;}.cta-feature{display:flex;align-items:center;gap:0.5rem;background:rgba(255,255,255,0.1);padding:1rem 1.5rem;border-radius:25px;backdrop-filter:blur(10px);}.cta-feature i{font-size:1.2rem;}.cta-actions{flex:0 0 350px;display:flex;flex-direction:column;gap:1rem;}.btn-primary-large,.btn-outline-large{padding:20px 30px;border-radius:30px;font-weight:600;font-size:1.1rem;display:flex;align-items:center;justify-content:center;gap:0.8rem;text-decoration:none;transition:all 0.3s ease;}.btn-primary-large{background:white;color:#667eea;}.btn-primary-large:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(0,0,0,0.2);color:#667eea;}.btn-outline-large{background:transparent;color:white;border:2px solid white;}.btn-outline-large:hover{background:white;color:#667eea;transform:translateY(-2px);}@media (max-width:768px){.cours-header-content{flex-direction:column;text-align:center;gap:30px;}.cours-title{font-size:2.5rem;}.cours-header-img{width:320px;height:240px;}.cours-header-features{justify-content:center;}.outils-grid{grid-template-columns:1fr;}.niveaux-grid{grid-template-columns:1fr;}.cta-content{flex-direction:column;text-align:center;gap:2rem;padding:0 1rem;}.cta-features{justify-content:center;}.cta-actions{flex:none;width:100%;}.cta-content h2{font-size:2rem;white-space:normal;}}@media (max-width:480px){.cours-title{font-size:2rem;}.cours-subtitle{font-size:1.2rem;}.cours-header-img{width:280px;height:210px;}.feature-item{padding:0.8rem 1rem;font-size:0.9rem;}.outil-content{padding:1.5rem;}.niveau-content{padding:1rem;}.cta-content h2{font-size:1.8rem;}.cta-feature{padding:0.8rem 1rem;font-size:0.9rem;}}