:root{--primary:#2f8e4c;--secondary:#004749;--accent:#00974c;--light-accent:rgba(47,142,76,0.1);--white:#ffffff}.video-header{background-color:var(--secondary);padding:40px 0;color:white;text-align:center;margin-bottom:50px}.video-header h2{font-weight:700;margin-bottom:15px}.video-header p{font-size:1.2rem;max-width:800px;margin:0 auto}.video-card{border-radius:8px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,0.08);margin-bottom:30px;-webkit-transition:-webkit-transform 0.3s;transition:-webkit-transform 0.3s;transition:transform 0.3s;transition:transform 0.3s, -webkit-transform 0.3s}.video-card:hover{-webkit-transform:translateY(-5px);transform:translateY(-5px)}.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.video-info{padding:20px;background-color:white;border-top:5px solid var(--primary)}.video-info h3{color:var(--secondary);margin-bottom:0;font-weight:600;text-align:center;font-size:1.5rem}.btn-primary{background-color:var(--accent);border-color:var(--accent)}.btn-primary:hover{background-color:var(--primary);border-color:var(--primary)}.section-title{color:white;text-align:center;margin-bottom:40px;font-weight:700;font-size:2rem}