:root{--primary-color:#3498db;--secondary-color:#2ecc71;--background-color:#f8f9fa;--text-color:#333;--border-color:#e0e0e0}*{box-sizing:border-box;margin-bottom:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6}main{max-width:1200px;margin:0 auto;padding:2rem}.container{background-color:white;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.1);padding:2rem;margin-bottom:2rem}.btn{display:inline-block;background-color:var(--primary-color);color:white;border:none;padding:.75rem 1.5rem;font-size:1rem;border-radius:4px;cursor:pointer;transition:background-color .3s;text-decoration:none;margin-right:1rem;margin-bottom:1rem}.btn:hover{background-color:#2980b9}.btn-secondary{background-color:var(--secondary-color)}.btn-secondary:hover{background-color:#27ae60}.btn-danger{background-color:#e74c3c}.btn-danger:hover{background-color:#c0392b}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:var(--text-color);text-decoration:none;font-weight:500;transition:color .3s}.nav-links a:hover{color:var(--primary-color)}.video-container{max-width:800px;margin:0 auto}.video-element{width:100%;border-radius:8px;overflow:hidden;background-color:#000}.andela-container .container{padding:0 2rem 2rem}.presentation-tips p{margin-bottom:1rem}.presentation-tips ul li p{margin:0}:root{--andela-primary:#132128;--andela-secondary:#3359DF;--andela-accent:#4A96F8;--andela-light:#F8FAFC;--andela-light-gray:#EFF3F9;--andela-text:#132128;--andela-text-light:#556F7A;--andela-success:#00B574;--andela-warning:#FCCA46;--andela-error:#EB5757;--andela-border-radius:4px;--andela-border-color:#E4E7EB;--andela-box-shadow:0 2px 8px rgba(0,0,0,0.08)}body{font-family:Proxima Nova,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;color:var(--andela-text);background-color:var(--andela-light);margin:0;padding:0;line-height:1.5}.andela-container{max-width:1200px;margin:0 auto;padding:0 1rem}.andela-header{background-color:var(--andela-light);color:var(--andela-primary);padding:1rem 0}.andela-footer{background-color:var(--andela-primary);color:white;padding:2rem 0;margin-top:3rem}.andela-btn-primary{background-color:var(--andela-secondary);color:white;border:none;border-radius:var(--andela-border-radius);padding:.75rem 1.5rem;font-weight:600;cursor:pointer;transition:background-color .2s ease}.andela-btn-primary:hover{background-color:#2b4bc8}.andela-btn-secondary{background-color:white;color:var(--andela-secondary);border:1px solid var(--andela-secondary);border-radius:var(--andela-border-radius);padding:.75rem 1.5rem;font-weight:600;cursor:pointer;transition:all .2s ease}.andela-btn-secondary:hover{background-color:#f5f8ff}.andela-card{background-color:white;border-radius:var(--andela-border-radius);box-shadow:var(--andela-box-shadow);padding:1.5rem;margin-bottom:1.5rem}.andela-heading{color:var(--andela-primary);margin-top:0;font-weight:700}.andela-link{color:var(--andela-primary);text-decoration:none;font-weight:500}.andela-link:hover{text-decoration:underline}.andela-text-center{text-align:center}.andela-form-group{margin-bottom:1.5rem}.andela-label{display:block;margin-bottom:.5rem;font-weight:500}.andela-input{width:100%;padding:.75rem;border:1px solid var(--andela-border-color);border-radius:var(--andela-border-radius);font-family:inherit;font-size:1rem}.andela-input:focus{outline:none;border-color:var(--andela-accent);box-shadow:0 0 0 2px rgba(74,150,248,.2)}